private MachineConfiguration createMachineConfiguration(Collection<Class<?>> testClasses) { MachineConfiguration machineConfiguration = new MachineConfiguration(); for (Class<?> testClass : testClasses) { GraphWalker annotation = testClass.getAnnotation(GraphWalker.class); if (isTestIncluded(annotation, testClass.getName())) { ContextConfiguration contextConfiguration = new ContextConfiguration(); contextConfiguration.setTestClass(testClass); machineConfiguration.addContextConfiguration(contextConfiguration); } } return machineConfiguration; }