if !HasGoRun() {
		t.Skipf("skipping test: 'go run' not available on %s/%s", runtime.GOOS, runtime.GOARCH)
	}
}

// HasParallelism reports whether the current system can execute multiple
// threads in parallel.
// There is a copy of this function in cmd/dist/test.go.
func HasParallelism() bool {
	switch runtime.GOOS {
	case "js", "wasip1":
		return false
	}
	return true
}

	switch gohostos {
	case "windows", "plan9":
		return false
	}
	return true
}

// hasParallelism is a copy of the function
// internal/testenv.HasParallelism, which can't be used here
// because cmd/dist can not import internal packages during bootstrap.
func (t *tester) hasParallelism() bool {
	switch goos {
	case "js", "wasip1":
		return false
	}
	return true
}