fw.fakeKubelet.hostnameFunc = func() string {
		return "127.0.0.1"
	}

	// Test with correct hostname, Docker version
	assertHealthIsOk(t, fw.testHTTPServer.URL+"/healthz")

	// Test with incorrect hostname
	fw.fakeKubelet.hostnameFunc = func() string {
		return "fake"
	}
	assertHealthIsOk(t, fw.testHTTPServer.URL+"/healthz")
}

func assertHealthFails(t *testing.T, httpURL string, expectedErrorCode int) {