You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: sample_test.go
    path of file: ./repos/gitkube/vendor/github.com/googleapis/gnostic/plugins/gnostic-go-generator/examples/v2.0/sample
    
    the code of the file until where you have to start completion: /*
 Copyright 2018 Google Inc. All Rights Reserved.

 Licensed under the Apache License, Version 2.0 (the "License");
 y
    
func TestSample(t *testing.T) {
	// create a client
	s := sample.NewClient(service, nil)
	// verify a sample request
	{
		message := "hello world"
		response, err := s.GetSample(message)
		if err != nil {
			t.Log("get sample failed")
			t.Fail()
		}
		if response.OK.Id != message || response.OK.Count != int32(len(message)) {
			t.Log(fmt.Sprintf("get sample received %+v", response.OK))
			t.Fail()
		}
		if (response == nil) || (response.OK == nil) {
			t.Log(fmt.Sprintf("get sample failed %+v", response.OK))
			t.Fail()
		}
	}
	// verify the handling of an invalid request
	{
		req, err := http.NewRequest("GET", service+"/unsupported", strings.NewReader(""))
		if err != nil {
			t.Log("bad request failed")
			return
		}
		resp, err := http.DefaultClient.Do(req)
		if err != nil {
			return
		}
		// we expect a 404 (Not Found) code
		if resp.StatusCode != 404 {
			t.Log("bad request failed")
			t.Fail()
		}
		return
	}
}