Button tests with test kit (#1785)

* Add testKit for Text, Image, Button. Add tests for Button

* export testkits

* lint fix

* update snapshot

* change variable names

* review fixes

* add tests for Text component using TextTestKit

* fix lint

Author: Dan-Kovalsky

src/components/button/Button.driver.ts

@@ -0,0 +1,33 @@
+import {fireEvent, RenderAPI} from '@testing-library/react-native';
+import {ReactTestInstance} from 'react-test-renderer';
+import TextDriver from '../text/Text.driver';
+import ImageDriver from '../image/Image.driver';
+import _ from 'lodash';
+
+
+const ButtonDriverFactory = async ({wrapperComponent, testID}: {wrapperComponent: RenderAPI, testID: string}) => {
+  const button: ReactTestInstance | null = await wrapperComponent.queryByTestId(testID);
+  const label = await TextDriver({wrapperComponent, testID: `${testID}.label`});
+  const icon = await ImageDriver({wrapperComponent, testID: `${testID}.icon`});
+  return {
+    exists: () => !!button,
+    getRootElement: () => button,
+    isClickable: () => !_.get(button, 'props.accessibilityState.disabled'),
+    click: () => {
+      if (button) {
+        fireEvent.press(button);
+      } else {
+        console.warn(`ButtonDriverFactory: cannot click because testID:${testID} were not found`);
+      }
+    },
+    // label
+    getLabelRootElement: () => label.getRootElement(),
+    isLabelExists: () => label.exists(),
+    getLabelContent: () => label.getTextContent(),
+    // icon
+    getIconRootElement: () => icon.getRootElement(),
+    isIconExists: () => icon.exists()
+  };
+};
+
+export default ButtonDriverFactory;