diff --git a/services/track-changes/test/acceptance/coffee/AppendingUpdatesTests.coffee b/services/track-changes/test/acceptance/coffee/AppendingUpdatesTests.js
similarity index 100%
rename from services/track-changes/test/acceptance/coffee/AppendingUpdatesTests.coffee
rename to services/track-changes/test/acceptance/coffee/AppendingUpdatesTests.js
diff --git a/services/track-changes/test/acceptance/coffee/ArchivingUpdatesTests.coffee b/services/track-changes/test/acceptance/coffee/ArchivingUpdatesTests.js
similarity index 100%
rename from services/track-changes/test/acceptance/coffee/ArchivingUpdatesTests.coffee
rename to services/track-changes/test/acceptance/coffee/ArchivingUpdatesTests.js
diff --git a/services/track-changes/test/acceptance/coffee/FlushingUpdatesTests.coffee b/services/track-changes/test/acceptance/coffee/FlushingUpdatesTests.js
similarity index 100%
rename from services/track-changes/test/acceptance/coffee/FlushingUpdatesTests.coffee
rename to services/track-changes/test/acceptance/coffee/FlushingUpdatesTests.js
diff --git a/services/track-changes/test/acceptance/coffee/GettingADiffTests.coffee b/services/track-changes/test/acceptance/coffee/GettingADiffTests.js
similarity index 100%
rename from services/track-changes/test/acceptance/coffee/GettingADiffTests.coffee
rename to services/track-changes/test/acceptance/coffee/GettingADiffTests.js
diff --git a/services/track-changes/test/acceptance/coffee/GettingUpdatesTests.coffee b/services/track-changes/test/acceptance/coffee/GettingUpdatesTests.js
similarity index 100%
rename from services/track-changes/test/acceptance/coffee/GettingUpdatesTests.coffee
rename to services/track-changes/test/acceptance/coffee/GettingUpdatesTests.js
diff --git a/services/track-changes/test/acceptance/coffee/LockManagerTests.coffee b/services/track-changes/test/acceptance/coffee/LockManagerTests.js
similarity index 100%
rename from services/track-changes/test/acceptance/coffee/LockManagerTests.coffee
rename to services/track-changes/test/acceptance/coffee/LockManagerTests.js
diff --git a/services/track-changes/test/acceptance/coffee/RestoringVersions.coffee b/services/track-changes/test/acceptance/coffee/RestoringVersions.js
similarity index 100%
rename from services/track-changes/test/acceptance/coffee/RestoringVersions.coffee
rename to services/track-changes/test/acceptance/coffee/RestoringVersions.js
diff --git a/services/track-changes/test/acceptance/coffee/helpers/MockDocStoreApi.coffee b/services/track-changes/test/acceptance/coffee/helpers/MockDocStoreApi.js
similarity index 100%
rename from services/track-changes/test/acceptance/coffee/helpers/MockDocStoreApi.coffee
rename to services/track-changes/test/acceptance/coffee/helpers/MockDocStoreApi.js
diff --git a/services/track-changes/test/acceptance/coffee/helpers/MockDocUpdaterApi.coffee b/services/track-changes/test/acceptance/coffee/helpers/MockDocUpdaterApi.js
similarity index 100%
rename from services/track-changes/test/acceptance/coffee/helpers/MockDocUpdaterApi.coffee
rename to services/track-changes/test/acceptance/coffee/helpers/MockDocUpdaterApi.js
diff --git a/services/track-changes/test/acceptance/coffee/helpers/MockWebApi.coffee b/services/track-changes/test/acceptance/coffee/helpers/MockWebApi.js
similarity index 100%
rename from services/track-changes/test/acceptance/coffee/helpers/MockWebApi.coffee
rename to services/track-changes/test/acceptance/coffee/helpers/MockWebApi.js
diff --git a/services/track-changes/test/acceptance/coffee/helpers/TrackChangesApp.coffee b/services/track-changes/test/acceptance/coffee/helpers/TrackChangesApp.js
similarity index 100%
rename from services/track-changes/test/acceptance/coffee/helpers/TrackChangesApp.coffee
rename to services/track-changes/test/acceptance/coffee/helpers/TrackChangesApp.js
diff --git a/services/track-changes/test/acceptance/coffee/helpers/TrackChangesClient.coffee b/services/track-changes/test/acceptance/coffee/helpers/TrackChangesClient.js
similarity index 100%
rename from services/track-changes/test/acceptance/coffee/helpers/TrackChangesClient.coffee
rename to services/track-changes/test/acceptance/coffee/helpers/TrackChangesClient.js