message: CheckBox interface extends Touchableopacity props.
  Fix for issue #1906(CheckBox components doesn't have testID prop available)
diff: @@ -655,11 +655,9 @@ declare module "native-base" {
  /**
  * see Widget CheckBox.js
  */
  - interface CheckBox {
  + interface CheckBox extends ReactNative.TouchableOpacityProperties{
  checked?: boolean;
  color?: string;
  - onPress?: Function;
  - style?: ReactNative.ViewStyle | Array<ReactNative.ViewStyle>;
  }
  /**
  * see Widget CheckBox.js
  