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: install_test.go
    path of file: ./repos/linkerd2/test/integration/viz
    
    the code of the file until where you have to start completion: package viztest

import (
	"fmt"
	"os"
	"strconv"
	"strings"
	"testing"
	"time"

	"github.com/linkerd/linkerd2/testutil"
)

//////////////////////
///   TEST SETUP   ///
//////////////////////

var (
	TestHelper *testutil.TestHelper
)

func TestMain(m *testing.M) {
	TestHelper = testutil.NewTestHelper()
	os.Exit(m.Run())
}

//////////////////////
/// TEST EXECUTION ///
//////////////////////

// TestInstallLinkerd will install the linkerd control plane to be used in the rest of
// the deep suite tests
func TestInstallLinkerd(t *testing.T) {
	// Install CRDs
	cmd := []string{
		"install",
		"--crds",
		"--controller-log-level", "debug",
		"--set", fmt.Sprintf("proxy.image.version=%s", TestHelper.GetVersion()),
		"--set", "heartbeatSchedule=1 2 3 4 5",
	}

	// Pipe cmd & args to `linkerd`
	out, err := TestHelper.LinkerdRun(cmd...)
	if err != nil {
		testutil.AnnotatedFatal(t, "'linkerd install --crds' command failed", err)
	}

	out, err = TestHelper.KubectlApplyWithArgs(out)
	if
    
func TestInstallLinkerd(t *testing.T) {
	// Install CRDs
	cmd := []string{
		"install",
		"--crds",
		"--controller-log-level", "debug",
		"--set", fmt.Sprintf("proxy.image.version=%s", TestHelper.GetVersion()),
		"--set", "heartbeatSchedule=1 2 3 4 5",
	}

	// Pipe cmd & args to `linkerd`
	out, err := TestHelper.LinkerdRun(cmd...)
	if err != nil {
		testutil.AnnotatedFatal(t, "'linkerd install --crds' command failed", err)
	}

	out, err = TestHelper.KubectlApplyWithArgs(out)
	if err != nil {
		testutil.AnnotatedFatalf(t, "'kubectl apply' command failed",
			"'kubectl apply' command failed\n%s", out)
	}

	// Install control-plane
	cmd = []string{
		"install",
		"--controller-log-level", "debug",
		"--set", fmt.Sprintf("proxy.image.version=%s", TestHelper.GetVersion()),
		"--set", "heartbeatSchedule=1 2 3 4 5",
	}

	// Pipe cmd & args to `linkerd`
	out, err = TestHelper.LinkerdRun(cmd...)
	if err != nil {
		testutil.AnnotatedFatal(t, "'linkerd install' command failed", err)
	}

	out, err = TestHelper.KubectlApplyWithArgs(out)
	if err != nil {
		testutil.AnnotatedFatalf(t, "'kubectl apply' command failed",
			"'kubectl apply' command failed\n%s", out)
	}

	TestHelper.WaitRollout(t, testutil.LinkerdDeployReplicasEdge)
}