req := &http.Request{
				Header: make(http.Header),
				URL:    &url.URL{},
			}
			req.Header.Set("Authorization", testCase.authString)
			_, actualErrCode := validateV2AuthHeader(req)

			if testCase.expectedError != actualErrCode {
				t.Errorf("Expected the error code to be %v, got %v.", testCase.expectedError, actualErrCode)
			}
		})
	}
}