public void setUp() throws Exception {
File workingDirectory = tempFolder.newFolder("mockWorkingDir");
Platform testPlatform = new TestPlatform(workingDirectory);
Context injector = Guice.createInjector(
Modules.override(new GeogigModule()).with(new MemoryModule(testPlatform)))
.getInstance(Context.class);
geogit = new GeoGIG(injector);
assertNotNull(geogit.getOrCreateRepository());
diffTree = geogit.command(DiffTree.class);