}

func isTestSuffix(name string) bool {
	if len(name) == 0 {
		// "Test" is ok.
		return true
	}
	r, _ := utf8.DecodeRuneInString(name)
	return !unicode.IsLower(r)
}

func isTestParam(typ ast.Expr, wantType string) bool {
	ptr, ok := typ.(*ast.StarExpr)
	if !ok {
		// Not a pointer.
		return false
	}
	// No easy way of making sure it's a *testing.T or *testing.B: