when(mockRefParse.call()).thenReturn(Optional.of(master));
Context injector = mock(Context.class);
when(injector.command(eq(RefParse.class))).thenReturn(mockRefParse);
when(injector.platform()).thenReturn(platform);
when(injector.repository()).thenReturn(mockRepo);
init.setContext(injector);
assertTrue(ResolveGeogigDir.lookup(platform.pwd()).isPresent());
assertNotNull(init.call());