File checkoutDirectory = getTestFile( "target/checkout" );
releaseDescriptor.setCheckoutDirectory( checkoutDirectory.getAbsolutePath() );
releaseDescriptor.setPerformGoals( "deploy site:stage-deploy" );
releaseDescriptor.setAdditionalArguments( "-DaltDeploymentRepository=\"staging\"" );
ReleaseManager mock = mock( ReleaseManager.class );
mojo.setReleaseManager( mock );
mojo.execute();
verify( mock ).perform( eq( releaseDescriptor ), isA( ReleaseEnvironment.class ), isNull( List.class ), eq( false ) );