annotation.IoIstioDryRun.Name, spec.Action, cfg.Namespace, cfg.Name)
			}
		}
	}
	return nil
}

// ValidateHTTPHeaderName validates a header name
func ValidateHTTPHeaderName(name string) error {
	if name == "" {
		return fmt.Errorf("header name cannot be empty")
	}
	if !validHeaderRegex.MatchString(name) {

	}{
		{name: "header1", valid: true},
		{name: "X-Requested-With", valid: true},
		{name: "", valid: false},
	}

	for _, tc := range testCases {
		if got := ValidateHTTPHeaderName(tc.name); (got == nil) != tc.valid {
			t.Errorf("ValidateHTTPHeaderName(%q) => got valid=%v, want valid=%v",
				tc.name, got == nil, tc.valid)
		}
	}
}

func TestValidateCORSPolicy(t *testing.T) {
	testCases := []struct {