when( scmProviderMock.remove( isA( ScmRepository.class ),
argThat( new IsScmFileSetEquals( fileSet ) ),
isA( String.class ) ) ).thenReturn( new RemoveScmResult( "...", Collections
.singletonList( new ScmFile( Maven.RELEASE_POMv4, ScmFileStatus.DELETED ) ) ) );
ScmManagerStub stub = (ScmManagerStub) lookup( ScmManager.ROLE );
stub.setScmProvider( scmProviderMock );
// execute
phase.execute( config, new DefaultReleaseEnvironment(), reactorProjects );
//verify