public void SingletonRegister_Success()
{
ITestCase testCase = new TestCaseB();
var c = new ServiceContainer();
c = (ServiceContainer)testCase.SingletonRegister(c);
var obj1 = c.GetInstance<ITestB>();
var obj2 = c.GetInstance<ITestB>();
Assert.AreEqual(obj1, obj2);
Helper.Check(obj1, true);
Helper.Check(obj2, true);
}