outputBuffer = new OutputBufferMock("outputBuffer", sharedExpectations);
mockGroupArbitrator = new SeparatorArbitratorMock(
"groupArbitrator", sharedExpectations);
mockGroupSeparator = new SeparatorRendererMock(
"groupSeparator", sharedExpectations);
mockOrientationSeparator = new SeparatorRendererMock(
"orientationSeparator", sharedExpectations);
// Create a mock separator manager.
mockOrientationManager = new SeparatorManagerMock(
"orientationManager", sharedExpectations);