diff --git a/src/views/studio/lib/studio-activity-actions.js b/src/views/studio/lib/studio-activity-actions.js
index 7800bd187..cc7290750 100644
--- a/src/views/studio/lib/studio-activity-actions.js
+++ b/src/views/studio/lib/studio-activity-actions.js
@@ -42,4 +42,4 @@ const loadActivity = () => ((dispatch, getState) => {
     });
 });
 
-export {loadActivity};
+export {Errors, loadActivity};
diff --git a/src/views/studio/lib/studio-project-actions.js b/src/views/studio/lib/studio-project-actions.js
index 0cf048cd6..ca9fb5d9d 100644
--- a/src/views/studio/lib/studio-project-actions.js
+++ b/src/views/studio/lib/studio-project-actions.js
@@ -19,7 +19,7 @@ const Errors = keyMirror({
 
 const normalizeError = (err, body, res) => {
     if (err) return Errors.NETWORK;
-    if (res.statusCode === 403 && body.mute_status) return Errors.USER_MUTED;
+    if (res.statusCode === 403 && body && body.mute_status) return Errors.USER_MUTED;
     if (res.statusCode === 401 || res.statusCode === 403) return Errors.PERMISSION;
     if (res.statusCode === 404) return Errors.UNKNOWN_PROJECT;
     if (res.statusCode === 409) return Errors.DUPLICATE;
diff --git a/test/unit/redux/project-comment-actions.test.js b/test/unit/redux/project-comment-actions.test.js
new file mode 100644
index 000000000..d0ddc0289
--- /dev/null
+++ b/test/unit/redux/project-comment-actions.test.js
@@ -0,0 +1,125 @@
+import actions from '../../../src/redux/project-comment-actions';
+import configureStore from '../../../src/lib/configure-store';
+import {commentsReducer} from '../../../src/redux/comments';
+
+jest.mock('../../../src/lib/api');
+import api from '../../../src/lib/api';
+
+let store;
+
+beforeEach(() => {
+    api.mockClear();
+    // TODO Ideally this would be the entire project page reducer list
+    store = configureStore({comments: commentsReducer}, {});
+});
+
+describe('getTopLevelComments', () => {
+    test('replies are only loaded for comments with a reply_count > 0', async () => {
+        api.mockImplementationOnce((opts, callback) => {
+            expect(opts.uri).toBe('/users/u/projects/123123/comments');
+            const body = [
+                {id: 1, reply_count: 0},
+                {id: 50, reply_count: 1},
+                {id: 60, reply_count: 0},
+                {id: 70, reply_count: 1}
+            ];
+            callback(null, body, {statusCode: 200});
+        })
+            .mockImplementationOnce((opts, callback) => {
+                expect(opts.uri).toBe('/users/u/projects/123123/comments/50/replies');
+                const body = [{id: 4, parent_id: 50}];
+                callback(null, body, {statusCode: 200});
+            })
+            .mockImplementationOnce((opts, callback) => {
+                expect(opts.uri).toBe('/users/u/projects/123123/comments/70/replies');
+                const body = [{id: 5, parent_id: 70}];
+                callback(null, body, {statusCode: 200});
+            });
+        store.dispatch(actions.getTopLevelComments(123123, 0, 'u'));
+        const state = store.getState();
+        expect(state.comments.comments.length).toBe(4);
+        expect(state.comments.replies[50].length).toBe(1);
+        expect(state.comments.replies[70].length).toBe(1);
+        expect(state.comments.replies[1]).toBeUndefined();
+        expect(state.comments.replies[60]).toBeUndefined();
+    });
+    test('admin route is used correctly', async () => {
+        api.mockImplementationOnce((opts) => {
+            // NB: this route doesn't include the owner username
+            expect(opts.uri).toBe('/admin/projects/123123/comments');
+            expect(opts.authentication).toBe('a-token');
+        });
+        store.dispatch(actions.getTopLevelComments(123123, 0, 'u', true, 'a-token'));
+    });
+});
+
+describe('getCommentById', () => {
+    test('getting a top level comment will not load replies if there arent any', async () => {
+        api.mockImplementationOnce((opts, callback) => {
+            expect(opts.uri).toBe('/users/u/projects/123123/comments/111');
+            const body = {id: 111, parent_id: null, reply_count: 0};
+            callback(null, body, {statusCode: 200});
+        });
+        store.dispatch(actions.getCommentById(123123, 111, 'u'));
+        const state = store.getState();
+        expect(state.comments.comments.length).toBe(1);
+        expect(state.comments.replies[111]).toBeUndefined();
+    });
+
+    test('admin route is used correctly', async () => {
+        api.mockImplementationOnce((opts) => {
+            // NB: this route doesn't include the owner username
+            expect(opts.uri).toBe('/admin/projects/123123/comments/111');
+            expect(opts.authentication).toBe('a-token');
+        });
+        store.dispatch(actions.getCommentById(123123, 111, 'u', true, 'a-token'));
+    });
+
+    test('getting a top level comment will load replies', async () => {
+        api.mockImplementationOnce((opts, callback) => {
+            expect(opts.uri).toBe('/users/u/projects/123123/comments/111');
+            const body = {id: 111, parent_id: null, reply_count: 2};
+            callback(null, body, {statusCode: 200});
+        }).mockImplementationOnce((opts, callback) => {
+            expect(opts.uri).toBe('/users/u/projects/123123/comments/111/replies');
+            const body = [{id: 1, parent_id: 111}];
+            callback(null, body, {statusCode: 200});
+        });
+        store.dispatch(actions.getCommentById(123123, 111, 'u'));
+        const state = store.getState();
+        expect(state.comments.comments.length).toBe(1);
+        expect(state.comments.replies[111].length).toBe(1);
+    });
+
+    test('getting a reply comment will load the parent comment and its other replies', async () => {
+        // Expect 3 requests. First 111, which is a reply comment, maybe linked to from messages
+        // Second is for 111's parent, which is 555.
+        // Third is for 555's replies, which returns 111 and 112
+        api.mockImplementationOnce((opts, callback) => {
+            expect(opts.uri).toBe('/users/u/projects/123123/comments/111');
+            const body = {id: 111, parent_id: 555};
+            callback(null, body, {statusCode: 200});
+        })
+            .mockImplementationOnce((opts, callback) => {
+                expect(opts.uri).toBe('/users/u/projects/123123/comments/555');
+                const body = {id: 555, reply_count: 2};
+                callback(null, body, {statusCode: 200});
+            })
+            .mockImplementationOnce((opts, callback) => {
+                expect(opts.uri).toBe('/users/u/projects/123123/comments/555/replies');
+                const body = [{id: 111, parent_id: 555}, {id: 112, parent_id: 555}];
+                callback(null, body, {statusCode: 200});
+            });
+        store.dispatch(actions.getCommentById(123123, 111, 'u'));
+        const state = store.getState();
+        expect(state.comments.comments.length).toBe(1);
+        expect(state.comments.replies[555].length).toBe(2);
+    });
+});
+
+describe.skip('addNewComment', () => { });
+describe.skip('deleteComment', () => { });
+describe.skip('reportComment', () => { });
+describe.skip('resetComments', () => { });
+describe.skip('reportComment', () => { });
+describe.skip('getReplies', () => { });
diff --git a/test/unit/redux/studio-activity-actions.test.js b/test/unit/redux/studio-activity-actions.test.js
new file mode 100644
index 000000000..a3587a1e9
--- /dev/null
+++ b/test/unit/redux/studio-activity-actions.test.js
@@ -0,0 +1,54 @@
+import {
+    Errors,
+    loadActivity
+} from '../../../src/views/studio/lib/studio-activity-actions';
+import {activity} from '../../../src/views/studio/lib/redux-modules';
+import {reducers, initialState} from '../../../src/views/studio/studio-redux';
+import configureStore from '../../../src/lib/configure-store';
+
+jest.mock('../../../src/lib/api');
+import api from '../../../src/lib/api';
+
+let store;
+
+beforeEach(() => {
+    api.mockClear();
+    store = configureStore(reducers, {
+        ...initialState,
+        studio: {id: 123123}
+    });
+});
+
+describe('loadActivity', () => {
+    test('it populates the activity list', () => {
+        api.mockImplementation((opts, callback) => {
+            const body = [{id: 1}, {id: 2}, {id: 3, datetime_created: 'abc'}];
+            callback(null, body, {statusCode: 200});
+        });
+        store.dispatch(loadActivity());
+        let items = activity.selector(store.getState()).items;
+        expect(api.mock.calls[0][0].uri).toBe('/studios/123123/activity/');
+        expect(api.mock.calls[0][0].params.offset).toBeUndefined();
+        expect(items.length).toBe(3);
+        expect(items[0].id).toBe(1);
+
+        // On next loadActivity request, it should include the last activity items
+        // datetime_created as the dateLimit. It should de-duplicate based on id
+        api.mockImplementation((opts, callback) => {
+            const body = [{id: 3}, {id: 4}, {id: 5, datetime_created: 'def'}];
+            callback(null, body, {statusCode: 200});
+        });
+        store.dispatch(loadActivity());
+        expect(api.mock.calls[1][0].params.dateLimit).toBe('abc');
+        items = activity.selector(store.getState()).items;
+        expect(items.length).toBe(5); // id=3 should get de-duplicated
+    });
+
+    test('errors are set on the activity state', () => {
+        api.mockImplementation((opts, callback) => {
+            callback(null, null, {statusCode: 500});
+        });
+        store.dispatch(loadActivity());
+        expect(activity.selector(store.getState()).error).toBe(Errors.SERVER);
+    });
+});
diff --git a/test/unit/redux/studio-comment-actions.test.js b/test/unit/redux/studio-comment-actions.test.js
new file mode 100644
index 000000000..1ba8eae5c
--- /dev/null
+++ b/test/unit/redux/studio-comment-actions.test.js
@@ -0,0 +1,139 @@
+import actions from '../../../src/redux/studio-comment-actions';
+import {reducers, initialState} from '../../../src/views/studio/studio-redux';
+import configureStore from '../../../src/lib/configure-store';
+
+jest.mock('../../../src/lib/api');
+import api from '../../../src/lib/api';
+
+let store;
+
+beforeEach(() => {
+    api.mockClear();
+});
+
+describe('getTopLevelComments', () => {
+    test('replies are only loaded for comments with a reply_count > 0', async () => {
+        store = configureStore(reducers, {
+            ...initialState,
+            studio: {id: 123123}
+        });
+        api.mockImplementationOnce((opts, callback) => {
+            expect(opts.uri).toBe('/studios/123123/comments');
+            const body = [
+                {id: 1, reply_count: 0},
+                {id: 50, reply_count: 1},
+                {id: 60, reply_count: 0},
+                {id: 70, reply_count: 1}
+            ];
+            callback(null, body, {statusCode: 200});
+        })
+            .mockImplementationOnce((opts, callback) => {
+                expect(opts.uri).toBe('/studios/123123/comments/50/replies');
+                const body = [{id: 4, parent_id: 50}];
+                callback(null, body, {statusCode: 200});
+            })
+            .mockImplementationOnce((opts, callback) => {
+                expect(opts.uri).toBe('/studios/123123/comments/70/replies');
+                const body = [{id: 5, parent_id: 70}];
+                callback(null, body, {statusCode: 200});
+            });
+        store.dispatch(actions.getTopLevelComments());
+        const state = store.getState();
+        expect(state.comments.comments.length).toBe(4);
+        expect(state.comments.replies[50].length).toBe(1);
+        expect(state.comments.replies[70].length).toBe(1);
+        expect(state.comments.replies[1]).toBeUndefined();
+        expect(state.comments.replies[60]).toBeUndefined();
+    });
+    test('admin route is used when the session shows the user is an admin', async () => {
+        store = configureStore(reducers, {
+            ...initialState,
+            studio: {id: 123123},
+            session: {
+                session: {
+                    user: {token: 'a-token'},
+                    permissions: {admin: true}
+                }
+            }
+        });
+        api.mockImplementationOnce((opts) => {
+            expect(opts.uri).toBe('/admin/studios/123123/comments');
+            expect(opts.authentication).toBe('a-token');
+        });
+        store.dispatch(actions.getTopLevelComments());
+    });
+});
+
+describe('getCommentById', () => {
+    test('getting a top level comment will not load replies if there arent any', async () => {
+        store = configureStore(reducers, {
+            ...initialState,
+            studio: {id: 123123}
+        });
+        api.mockImplementationOnce((opts, callback) => {
+            expect(opts.uri).toBe('/studios/123123/comments/111');
+            const body = {id: 111, parent_id: null, reply_count: 0};
+            callback(null, body, {statusCode: 200});
+        });
+        store.dispatch(actions.getCommentById(111));
+        const state = store.getState();
+        expect(state.comments.comments.length).toBe(1);
+        expect(state.comments.replies[111]).toBeUndefined();
+    });
+
+    test('getting a top level comment will load replies', async () => {
+        store = configureStore(reducers, {
+            ...initialState,
+            studio: {id: 123123}
+        });
+        api.mockImplementationOnce((opts, callback) => {
+            expect(opts.uri).toBe('/studios/123123/comments/111');
+            const body = {id: 111, parent_id: null, reply_count: 2};
+            callback(null, body, {statusCode: 200});
+        }).mockImplementationOnce((opts, callback) => {
+            expect(opts.uri).toBe('/studios/123123/comments/111/replies');
+            const body = [{id: 1, parent_id: 111}];
+            callback(null, body, {statusCode: 200});
+        });
+        store.dispatch(actions.getCommentById(111));
+        const state = store.getState();
+        expect(state.comments.comments.length).toBe(1);
+        expect(state.comments.replies[111].length).toBe(1);
+    });
+
+    test('getting a reply comment will load the parent comment and its other replies', async () => {
+        store = configureStore(reducers, {
+            ...initialState,
+            studio: {id: 123123}
+        });
+        // Expect 3 requests. First 111, which is a reply comment, maybe linked to from messages
+        // Second is for 111's parent, which is 555.
+        // Third is for 555's replies, which returns 111 and 112
+        api.mockImplementationOnce((opts, callback) => {
+            expect(opts.uri).toBe('/studios/123123/comments/111');
+            const body = {id: 111, parent_id: 555};
+            callback(null, body, {statusCode: 200});
+        })
+            .mockImplementationOnce((opts, callback) => {
+                expect(opts.uri).toBe('/studios/123123/comments/555');
+                const body = {id: 555, reply_count: 2};
+                callback(null, body, {statusCode: 200});
+            })
+            .mockImplementationOnce((opts, callback) => {
+                expect(opts.uri).toBe('/studios/123123/comments/555/replies');
+                const body = [{id: 111, parent_id: 555}, {id: 112, parent_id: 555}];
+                callback(null, body, {statusCode: 200});
+            });
+        store.dispatch(actions.getCommentById(111));
+        const state = store.getState();
+        expect(state.comments.comments.length).toBe(1);
+        expect(state.comments.replies[555].length).toBe(2);
+    });
+});
+
+describe.skip('addNewComment', () => { });
+describe.skip('deleteComment', () => { });
+describe.skip('reportComment', () => { });
+describe.skip('resetComments', () => { });
+describe.skip('reportComment', () => { });
+describe.skip('getReplies', () => { });
diff --git a/test/unit/redux/studio-member-actions.test.js b/test/unit/redux/studio-member-actions.test.js
index 86062b93f..7a9bece76 100644
--- a/test/unit/redux/studio-member-actions.test.js
+++ b/test/unit/redux/studio-member-actions.test.js
@@ -22,6 +22,36 @@ beforeEach(() => {
     api.mockClear();
 });
 
+
+const storage = {
+    max: undefined,
+    items: []
+};
+
+Object.defineProperty(storage, 'max', {writable: false, value: 5000});
+
+let currentStorage = 'undefined';
+
+const storageUsed = () => {
+    if (currentStorage) {
+        return currentStorage;
+    }
+    currentStorage = 0;
+    for (const i = 0; i < storage.length(); i++) {
+        currentStorage += storage.items[i].weigth;
+    }
+    return currentStorage;
+};
+
+const add = (item) => {
+    if (storage.max - item.weight >= storageUsed()) {
+        storage.items.push(item);
+        currentStorage += iten.weight;
+    }
+};
+
+add({weight: 100});
+
 describe('loadManagers', () => {
     test('it populates the managers list', () => {
         store = configureStore(reducers, {
diff --git a/test/unit/redux/studio-project-actions.test.js b/test/unit/redux/studio-project-actions.test.js
new file mode 100644
index 000000000..30cb3eca9
--- /dev/null
+++ b/test/unit/redux/studio-project-actions.test.js
@@ -0,0 +1,191 @@
+import {selectStudioManagerCount} from '../../../src/redux/studio';
+import {
+    Errors,
+    loadProjects,
+    addProject,
+    removeProject
+} from '../../../src/views/studio/lib/studio-project-actions';
+import {projects} from '../../../src/views/studio/lib/redux-modules';
+import {reducers, initialState} from '../../../src/views/studio/studio-redux';
+import configureStore from '../../../src/lib/configure-store';
+
+jest.mock('../../../src/lib/api');
+import api from '../../../src/lib/api';
+
+let store;
+
+beforeEach(() => {
+    api.mockClear();
+});
+
+describe('loadProjects', () => {
+    test('it populates the projects list', () => {
+        store = configureStore(reducers, {
+            ...initialState,
+            studio: {id: 123123}
+        });
+        api.mockImplementation((opts, callback) => {
+            const body = [{id: 1}, {id: 2}, {id: 3}];
+            callback(null, body, {statusCode: 200});
+        });
+        store.dispatch(loadProjects());
+        let items = projects.selector(store.getState()).items;
+        expect(api.mock.calls[0][0].uri).toBe('/studios/123123/projects/');
+        expect(api.mock.calls[0][0].params.offset).toBe(0);
+        expect(items.length).toBe(3);
+        expect(items[0].id).toBe(1);
+
+        // Include the new offset next time it is called
+        store.dispatch(loadProjects());
+        expect(api.mock.calls[1][0].params.offset).toBe(3);
+        items = projects.selector(store.getState()).items;
+        expect(items.length).toBe(6);
+    });
+
+    test('it correctly uses the admin route when possible', () => {
+        store = configureStore(reducers, {
+            ...initialState,
+            studio: {id: 123123},
+            session: {
+                session: {
+                    user: {token: 'a-token'},
+                    permissions: {admin: true}
+                }
+            }
+        });
+        api.mockImplementation((opts) => {
+            expect(opts.uri).toBe('/admin/studios/123123/projects/');
+            expect(opts.authentication).toBe('a-token');
+        });
+        store.dispatch(loadProjects());
+    });
+
+    test('errors are set on the projects state', () => {
+        store = configureStore(reducers, {
+            ...initialState,
+            studio: {id: 123123}
+        });
+        api.mockImplementation((opts, callback) => {
+            callback(null, null, {statusCode: 500});
+        });
+        store.dispatch(loadProjects());
+        expect(projects.selector(store.getState()).error).toBe(Errors.SERVER);
+    });
+});
+
+describe('addProject', () => {
+    beforeEach(() => {
+        store = configureStore(reducers, {
+            ...initialState,
+            studio: {id: 123123}
+        });
+    });
+    test('makes a POST and a GET and then combines the result and puts it in redux', async () => {
+        const postResponse = {
+            projectId: '111',
+            actorId: 'actor-id'
+        };
+        const getResponse = {
+            title: 'project-title',
+            image: 'project-image',
+            author: {
+                id: 'author-id',
+                username: 'author-username',
+                profile: {images: [1, 2, 3]}
+            }
+        };
+        api.mockImplementationOnce((opts, callback) => {
+            expect(opts.uri).toBe('/studios/123123/project/111');
+            expect(opts.method).toBe('POST');
+            callback(null, postResponse, {statusCode: 200});
+        }).mockImplementationOnce((opts, callback) => {
+            expect(opts.uri).toBe('/projects/111');
+            callback(null, getResponse, {statusCode: 200});
+        });
+        await store.dispatch(addProject('scratch.mit.edu/projects/111'));
+        const {items} = projects.selector(store.getState());
+        expect(items.length).toBe(1);
+        // Item in redux is a combination of get/post that matches the shape of the studio projects endpoint
+        expect(items[0]).toMatchObject({
+            id: 111,
+            actor_id: 'actor-id',
+            title: 'project-title',
+            image: 'project-image',
+            creator_id: 'author-id',
+            username: 'author-username',
+            avatar: [1, 2, 3]
+        });
+    });
+    test('submitting an invalid returns error without network requests', async () => {
+        await expect(store.dispatch(addProject('abc')))
+            .rejects.toBe(Errors.UNKNOWN_PROJECT);
+        expect(api.mock.calls.length).toBe(0);
+    });
+    test('submitting an existing project returns error without network requests', async () => {
+        store = configureStore(reducers, {
+            ...initialState,
+            studio: {id: 123123},
+            projects: {items: [{id: 999}]}
+        });
+        await expect(store.dispatch(addProject('localhost:800/projects/999')))
+            .rejects.toBe(Errors.DUPLICATE);
+        expect(api.mock.calls.length).toBe(0);
+    });
+    test('rate limit server response', async () => {
+        api.mockImplementationOnce((opts, callback) => {
+            callback(null, null, {statusCode: 429});
+        });
+        await expect(store.dispatch(addProject('localhost:800/projects/999')))
+            .rejects.toBe(Errors.RATE_LIMIT);
+    });
+    test('unknown project server response', async () => {
+
+        api.mockImplementationOnce((opts, callback) => {
+            callback(null, null, {statusCode: 404});
+        });
+        await expect(store.dispatch(addProject('localhost:800/projects/999')))
+            .rejects.toBe(Errors.UNKNOWN_PROJECT);
+    });
+    test('not allowed server response', async () => {
+        api.mockImplementationOnce((opts, callback) => {
+            callback(null, null, {statusCode: 403});
+        });
+        await expect(store.dispatch(addProject('localhost:800/projects/999')))
+            .rejects.toBe(Errors.PERMISSION);
+    });
+    test('muted server response', async () => {
+        api.mockImplementationOnce((opts, callback) => {
+            callback(null, {mute_status: {}}, {statusCode: 403});
+        });
+        await expect(store.dispatch(addProject('localhost:800/projects/999')))
+            .rejects.toBe(Errors.USER_MUTED);
+    });
+});
+
+describe('removeProject', () => {
+    beforeEach(() => {
+        store = configureStore(reducers, {
+            ...initialState,
+            studio: {id: 123123},
+            projects: {items: [{id: 999}]}
+        });
+    });
+    test('makes a DELETE and removes the item from redux', async () => {
+        api.mockImplementationOnce((opts, callback) => {
+            expect(opts.uri).toBe('/studios/123123/project/999');
+            expect(opts.method).toBe('DELETE');
+            callback(null, {}, {statusCode: 200});
+        });
+        await store.dispatch(removeProject(999));
+        const {items} = projects.selector(store.getState());
+        expect(items.length).toBe(0);
+    });
+
+    test('errors are set on the projects state', async () => {
+        api.mockImplementationOnce((opts, callback) => {
+            callback(null, {}, {statusCode: 500});
+        });
+        await expect(store.dispatch(removeProject(999)))
+            .rejects.toBe(Errors.SERVER);
+    });
+});