// Clients creating a new context may customize BuildTags, which
	// defaults to empty, but it is usually an error to customize ToolTags or ReleaseTags.
	// ToolTags defaults to build tags appropriate to the current Go toolchain configuration.
	// ReleaseTags defaults to the list of Go releases the current release is compatible with.
	// BuildTags is not set for the Default build Context.
	// In addition to the BuildTags, ToolTags, and ReleaseTags, build constraints

finds any problems, go test reports those and does not run the test
binary. Only a high-confidence subset of the default go vet checks are
used. That subset is: atomic, bool, buildtags, directive, errorsas,
ifaceassert, nilfunc, printf, and stringintconv. You can see
the documentation for these and other vet tests via "go doc cmd/vet".
To disable the running of go vet, use the -vet=off flag. To run all

	}{
		{"GOARCH", runtime.GOARCH},
		{"GOOS", runtime.GOOS},
		{"GOROOT", testGOROOT},
		{"GOPATH", os.Getenv("GOPATH")},
		{"CgoEnabled", ""},
		{"UseAllFiles", ""},
		{"Compiler", ""},
		{"BuildTags", ""},
		{"ReleaseTags", ""},
		{"InstallSuffix", ""},
	} {
		tt := tt
		t.Run(tt.v, func(t *testing.T) {
			tg := testgo(t)
			tg.parallel()
			defer tg.cleanup()