added driver implementation and test (#3786)

Author: nitzanyiz

src/components/button/Button.driver.new.ts

@@ -34,5 +34,9 @@ export const ButtonDriver = (props: ComponentProps) => {
     return StyleSheet.flatten(driver.getElement().props.style);
   };
 
-  return {getStyle, getLabel, getLabelStyle, getIconStyle, getIcon, ...driver};
+  const isDisabled = () => {
+    return !!driver.getElement().props.accessibilityState?.disabled;
+  };
+
+  return {getStyle, getLabel, getLabelStyle, getIconStyle, getIcon, isDisabled, ...driver};
 };

src/components/button/__tests__/index.driver.spec.tsx

@@ -66,6 +66,11 @@ describe('Button', () => {
       buttonDriver.press();
       await waitFor(() => expect(onPressCallback).toHaveBeenCalledTimes(0));
     });
+    it.each([true, false])(`button should be disabled when disabled is %s`, (disabled) => {
+      const renderTree = render(<WrapperScreenWithButton disabled={disabled}/>);
+      const buttonDriver = ButtonDriver({renderTree, testID: 'button_test_id'});
+      expect(buttonDriver.isDisabled()).toBe(disabled);
+    });
   });
 
   describe('label', () => {