{
// prepare
File workingDirectory = getTestFile( "target/working-directory" );
Commandline commandLineMock = mock( Commandline.class );
when( commandLineMock.execute() ).thenThrow( new CommandLineException( "..." ) );
Arg argMock = mock( Arg.class );
when ( commandLineMock.createArg() ).thenReturn( argMock );
CommandLineFactory commandLineFactoryMock = mock( CommandLineFactory.class );