// create an instance of TestServer.
	testServer := UnstartedTestServer(t, instanceType)
	testServer.Server.Start()
	return testServer
}

// Sets the global config path to empty string.
func resetGlobalConfigPath() {
	globalConfigDir = &ConfigDir{path: ""}
}

// sets globalObjectAPI to `nil`.
func resetGlobalObjectAPI() {
	globalObjLayerMutex.Lock()
	globalObjectAPI = nil
	globalObjLayerMutex.Unlock()
}