### Question:
InjectionManager { public static InjectionManager getInstance() { if (instance == null) instance = new InjectionManager(); return instance; } private  InjectionManager(); static InjectionManager getInstance(); @SuppressWarnings("rawtypes") Object getInstanceDependecy(Class clazz); @SuppressWarnings({ "rawtypes" }) Object getInstanceDependecyWithoutProxy(Class clazz);  }### Answer:
@Test public void testGetInstance() { InjectionManager injectionManager=InjectionManager.getInstance(); assertNotNull(injectionManager); }