Add shared linting configuration for QA acceptance tests (#16)

# Description

Add shared configuration for our WDIO acceptance tests. 
Add fixtures to the test overrides list where certain rules are disabled.

## Changes

- `qa.js` configuration added.
- Release version `6.0.0-alpha.4`.

Author: kylehar9

es6.js

@@ -95,7 +95,7 @@ module.exports = {
   },
   overrides: [
     {
-      files: ['*.stories.*', '*test*', '**/test/**', '**/*mock*/**', '*mock*', '**/setupTests.*'],
+      files: ['*.stories.*', '*test*', '**/test/**', '**/*mock*/**', '*mock*', '**/setupTests.*', '**/fixtures/**'],
       extends: ['@fs/eslint-config-frontier-react/jest'],
       rules: {
         'no-alert': 'off',

index.js

@@ -1,3 +1,3 @@
 module.exports = {
-  extends: ['@fs/eslint-config-frontier-react/react', './es6'],
+  extends: ['@fs/eslint-config-frontier-react/react', './es6', './qa'],
 }

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@fs/eslint-config-tree",
-  "version": "6.0.0-alpha.3",
+  "version": "6.0.0-alpha.4",
   "description": "Shared Tree configuration that contains overrides and enhancements on top of the base frontier configuration.",
   "main": "index.js",
   "repository": {

qa.js

@@ -0,0 +1,25 @@
+module.exports = {
+  overrides: [
+    {
+      files: ['test/**/*.js'],
+      globals: {
+        'browser': 'readonly',
+        '$': 'readonly',
+        '$$': 'readonly',
+        'element': 'readonly',
+        'by': 'readonly',
+        'after': 'readonly'
+      },
+      rules: {
+        'jest/expect-expect': 'off',
+        'global-require': 'off',
+        'no-console': 'off',
+        'object-shorthand': 'off',
+        'import/no-extraneous-dependencies': ['error', { 'devDependencies': true }],
+        'testing-library/no-await-sync-query': 'off', // All @testing-library/webdriverio queries are async (https://testing-library.com/docs/webdriverio-testing-library/intro/)
+        'testing-library/prefer-screen-queries': 'off', // We use browser instead of screen for @testing-library/webdriverio
+        '@babel/no-unused-expressions': 'off' // to allow expressions like this: tree.expect(await (await $(tree.MBTpageObjects.getBCButton())).isDisplayed()).to.be.true
+      }
+    }
+  ]
+}