switch runtime.GOOS {
	case "plan9", "windows", "js", "wasip1":
		t.Skipf("not supported on %s", runtime.GOOS)
	}

	for _, tt := range fileConnTests {
		if !testableNetwork(tt.network) {
			t.Logf("skipping %s test", tt.network)
			continue
		}

		var network, address string
		switch tt.network {
		case "udp":
			c := newLocalPacketListener(t, tt.network)
			defer c.Close()

		nproc = 7
	}
	if setNproc {
		var rlim syscall.Rlimit
		if syscall.Getrlimit(nproc, &rlim) == nil {
			max := int(rlim.Cur) / (threads + 5)
			if attempts > max {
				t.Logf("lowering attempts from %d to %d for RLIMIT_NPROC", attempts, max)
				attempts = max
			}
		}
	}

	if os.Getenv("test18146") == "exec" {
		runtime.GOMAXPROCS(1)
		for n := threads; n > 0; n-- {
			go func() {

	Cleanup(func())
	Error(args ...any)
	Errorf(format string, args ...any)
	Fail()
	FailNow()
	Failed() bool
	Fatal(args ...any)
	Fatalf(format string, args ...any)
	Helper()
	Log(args ...any)
	Logf(format string, args ...any)
	Name() string
	Setenv(key, value string)
	Skip(args ...any)
	SkipNow()
	Skipf(format string, args ...any)
	Skipped() bool
	TempDir() string
}

	path := filepath.Join("testdata", "small.go")
	cmd := testenv.Command(t, testenv.GoToolPath(t), "build",
		"-o", exepath, "-cover", path)
	b, err := cmd.CombinedOutput()
	if len(b) != 0 {
		t.Logf("## build output:\n%s", b)
	}
	if err != nil {
		t.Fatalf("build error: %v", err)
	}

	// Run to produce coverage data. Note the large argument; we need a large

			oldReplicas:         2,
			newReplicas:         11,
			scaleExpected:       true,
			expectedNewReplicas: 10,
		},
	}

	for i := range tests {
		test := tests[i]
		t.Logf("executing scenario %d", i)
		newRS := rs("foo-v2", test.newReplicas, nil, noTimestamp)
		oldRS := rs("foo-v2", test.oldReplicas, nil, noTimestamp)
		allRSs := []*apps.ReplicaSet{newRS, oldRS}

import (
	"testing"
	"fmt"
)

func TestChatty(t *testing.T) {
    for i := 0; i < 3; i++ {
        t.Run(fmt.Sprintf("sub-%d", i), func(t *testing.T) {
            for j := 0; j < 2; j++ {
                t.Logf("this is sub-%d", i)
            }
            t.Errorf("error from sub-%d", i)
        })
    }

	if err != nil {
		t.Fatal(err)
	}

	out, err := testenv.Command(t, testenv.GoToolPath(t), "build", "-o", exe, src).CombinedOutput()
	t.Logf("build output:\n%s", out)
	if err != nil {
		t.Fatal(err)
	}

	out, err = testenv.Command(t, exe).CombinedOutput()
	t.Logf("exec output:\n%s", out)
	if err != nil {
		t.Fatal(err)
	}
}

const testExecutableDeletion = `package main

import (
	"fmt"

	"unicode/utf8"
)

var wrapSeed = flag.Int64("wrapseed", 0, "use `seed` for wrap test (default auto-seeds)")

func TestWrap(t *testing.T) {
	if *wrapSeed == 0 {
		*wrapSeed = time.Now().UnixNano()
	}
	t.Logf("-wrapseed=%#x\n", *wrapSeed)
	r := rand.New(rand.NewSource(*wrapSeed))

	// Generate words of random length.
	s := "1234567890αβcdefghijklmnopqrstuvwxyz"
	sN := utf8.RuneCountInString(s)
	var words []string

	// fully implemented yet on Plan 9 and Windows.
	switch runtime.GOOS {
	case "windows", "js", "wasip1":
		if network == "file+net" {
			t.Logf(format, args...)
			return
		}
	case "plan9":
		t.Logf(format, args...)
		return
	}
	t.Fatalf(format, args...)

		GetConn:      func(hostPort string) { t.Logf("GetConn(%q)", hostPort) },
		GotConn:      func(ci httptrace.GotConnInfo) { t.Logf("GotConn(%+v)", ci) },
		PutIdleConn:  func(err error) { t.Logf("PutIdleConn(%v)", err) },
		ConnectStart: func(network, addr string) { t.Logf("ConnectStart(%q, %q)", network, addr) },
		ConnectDone:  func(network, addr string, err error) { t.Logf("ConnectDone(%q, %q, %v)", network, addr, err) },
	}