Remove duplicated symbols when ran the tests.
Add LoginViewModel test
Add tests for PhotoImporter
- Stub the network requests.
- Capture arguments.
Merge pull request #31 from phatle/login_model_test

Login model test
Merge branch 'master' into import_photo_test

Conflicts:
	FRP.xcodeproj/project.pbxproj
	FRPTests/FRPPhotoImporterTests.m
Merge pull request #32 from phatle/import_photo_test

Import photo test
Test request import photo
Merge pull request #33 from phatle/photo_importer_test

Test request import photo