actual := make([]string, len(actualIPs))
			for i, ip := range actualIPs {
				actual[i] = ip.String()
			}

			assert.Equal(t, test.expected, actual)
		})
	}
}

func TestParseWarningHeader(t *testing.T) {
	tests := []struct {
		name string

		header string

		wantResult    WarningHeader
		wantRemainder string
		wantErr       string
	}{
		// invalid cases
		{