{"Action":"output","Test":"TestTags/x,testtag,y","Output":"=== PAUSE TestTags/x,testtag,y\n"}
{"Action":"pause","Test":"TestTags/x,testtag,y"}
{"Action":"run","Test":"Test☺☹Dirs/testingpkg"}
{"Action":"output","Test":"Test☺☹Dirs/testingpkg","Output":"=== RUN   Test☺☹Dirs/testingpkg\n"}
{"Action":"output","Test":"Test☺☹/6","Output":"=== PAUSE Test☺☹/6\n"}
{"Action":"pause","Test":"Test☺☹/6"}
{"Action":"cont","Test":"TestTags/x,testtag,y"}

{"Action":"output","Test":"TestTags/x,testtag,y","Output":"=== PAUSE TestTags/x,testtag,y\n"}
{"Action":"pause","Test":"TestTags/x,testtag,y"}
{"Action":"run","Test":"TestVetDirs/testingpkg"}
{"Action":"output","Test":"TestVetDirs/testingpkg","Output":"=== RUN   TestVetDirs/testingpkg\n"}
{"Action":"output","Test":"TestVet/6","Output":"=== PAUSE TestVet/6\n"}
{"Action":"pause","Test":"TestVet/6"}
{"Action":"cont","Test":"TestTags/x,testtag,y"}

=== RUN   TestVet/5
=== PAUSE TestVet/5
=== PAUSE TestTags/x_testtag_y
=== RUN   TestVet/6
=== RUN   TestTags/x,testtag,y
=== PAUSE TestTags/x,testtag,y
=== RUN   TestVetDirs/testingpkg
=== PAUSE TestVet/6
=== CONT  TestTags/x,testtag,y
=== PAUSE TestVetDirs/testingpkg
=== RUN   TestVetDirs/divergent
=== RUN   TestVet/7
=== PAUSE TestVet/7
=== PAUSE TestVetDirs/divergent
=== CONT  TestTags/x_testtag_y
=== CONT  TestTags/testtag

=== RUN   Test☺☹/5
=== PAUSE Test☺☹/5
=== PAUSE TestTags/x_testtag_y
=== RUN   Test☺☹/6
=== RUN   TestTags/x,testtag,y
=== PAUSE TestTags/x,testtag,y
=== RUN   Test☺☹Dirs/testingpkg
=== PAUSE Test☺☹/6
=== CONT  TestTags/x,testtag,y
=== PAUSE Test☺☹Dirs/testingpkg
=== RUN   Test☺☹Dirs/divergent
=== RUN   Test☺☹/7
=== PAUSE Test☺☹/7
=== PAUSE Test☺☹Dirs/divergent
=== CONT  TestTags/x_testtag_y
=== CONT  TestTags/testtag

		"cgo",
		"composite",
		"copylock",
		"deadcode",
		"directive",
		"httpresponse",
		"lostcancel",
		"method",
		"nilfunc",
		"print",
		"shift",
		"slog",
		"structtag",
		"testingpkg",
		// "testtag" has its own test
		"unmarshal",
		"unsafeptr",
		"unused",
	} {
		pkg := pkg
		t.Run(pkg, func(t *testing.T) {
			t.Parallel()

			// Skip cgo test on platforms without cgo.

var testingTrueInPackageVarInit = testing.Testing()

// init is part of TestTesting.
func init() {
	if testing.Testing() {
		testingTrueInInit = true
	}
}

var testingProg = `
package main

import (
	"fmt"
	"testing"
)

func main() {
	fmt.Println(testing.Testing())
}
`

func TestTesting(t *testing.T) {
	if !testing.Testing() {