<Button /> - testkit - expose isPrefixIconExists and isSuffixIconExists (#6898)

* feat(button.uni.driver): expose affix handlers

* feat(button.uni.driver): update types

* feat(button.uni.driver): re-add skin to types

Author: omeb

packages/wix-style-react/src/Button/Button.uni.driver.d.ts

@@ -6,6 +6,8 @@ export interface ButtonUniDriver extends BaseUniDriver {
   isButtonDisabled: () => Promise<boolean>;
   isFocused: () => Promise<boolean>;
   hasSkin: (skinName: ButtonSkin) => Promise<boolean>;
+  isPrefixIconExists: () => Promise<boolean>;
+  isSuffixIconExists: () => Promise<boolean>;
 }
 
 export const buttonDriverFactory: (base: BaseUniDriver) => ButtonUniDriver;

packages/wix-style-react/src/Button/Button.uni.driver.js

@@ -31,5 +31,18 @@ export const buttonDriverFactory = base => {
      * @return {Promise<boolean>}
      */
     hasSkin: async skinName => (await base.attr(`data-skin`)) === skinName,
+
+    /**
+     * Checks whether button has an icon prefix
+     * @return {Promise<boolean>}
+     */
+    isPrefixIconExists: buttonNextDriver.isPrefixIconExists,
+
+  /**
+     * Checks whether button has an icon suffix
+     * @return {Promise<boolean>}
+     */
+    isSuffixIconExists: buttonNextDriver.isSuffixIconExists,
+
   };
 };