t.Fatalf("select expects: %v, got %v", u1.ID, gotUsers[0].ID)
		} else if gotUsers[1].ID != u2.ID {
			t.Fatalf("select expects: %v, got %v", u2.ID, gotUsers[1].ID)
		}

		u1.Name = "Jinzhu"
		u2.Name = "Zhang"
		if results := DB.Save([]*user{&u1, &u2}); results.Error != nil {
			t.Fatalf("errors happened on update: %v", results.Error)
		} else if results.RowsAffected != 2 {

	sconfig.Net.TLS.Config.ClientAuth = h.kconfig.TLS.ClientAuth
	sconfig.Net.TLS.Config.RootCAs = h.kconfig.TLS.RootCAs

	// These settings are needed to ensure that kafka client doesn't hang on brokers
	// refer https://github.com/IBM/sarama/issues/765#issuecomment-254333355
	sconfig.Producer.Retry.Max = 2
	sconfig.Producer.Retry.Backoff = (10 * time.Second)
	sconfig.Producer.Return.Successes = true

	// and wait for our os.Stderr (and os.Stdout) to close as a result.
	// However, if the os.Stderr (or os.Stdout) file descriptors are
	// passed on, the hanging adb subprocess will hold them open and
	// go test will hang forever.
	//
	// Avoid that by wrapping stderr, breaking the short circuit and
	// forcing cmd.Run to use another pipe and goroutine to pass
	// along stderr from adb.
	cmd.Stderr = struct{ io.Writer }{os.Stderr}

	expectedOutput string // Expected constant output

	wantException bool
}

func verifyExecTestOutput(t *testing.T, cmd *cobra.Command, c execTestCase) {
	if c.wantException {
		// Ensure tests do not hang for 30s
		c.args = append(c.args, "--timeout=20ms")
	}
	var out bytes.Buffer
	cmd.SetArgs(c.args)
	cmd.SilenceUsage = true
	cmd.SetOut(&out)
	cmd.SetErr(&out)

	fErr := cmd.Execute()

	config.Net.TLS.Config.ClientAuth = args.TLS.ClientAuth
	config.Net.TLS.Config.RootCAs = args.TLS.RootCAs

	// These settings are needed to ensure that kafka client doesn't hang on brokers
	// refer https://github.com/IBM/sarama/issues/765#issuecomment-254333355
	config.Producer.Retry.Max = 2
	config.Producer.Retry.Backoff = (1 * time.Second)
	config.Producer.Return.Successes = true