'Return a suite of all tests cases contained in testCaseClass'

def loadTestsFromTestCase(self, testCaseClass):

    leak_tests = []
    for name in self.getTestCaseNames(testCaseClass):
        real_test = testCaseClass(name)
        leak_test = self._getTestWrapper(real_test)
        leak_tests.append(leak_test)
    return self.suiteClass(leak_tests)
