Rename dir _tests to __tests__ & update .codeclimate.yml (#8982)

.codeclimate.yml

@@ -56,20 +56,22 @@ plugins:
     config:
       count_threshold: 3
 exclude_patterns:
+  - "**/*.test.js"
+  - "**/*.test.jsx"
+  - "**/.eslintrc.js"
+  - "**/__stories__/"
+  - "**/__tests__/"
+  - "*.js"
+  - "app/assets/javascripts/lib/"
+  - "bin/"
   - "config/"
   - "db/"
   - "dist/"
   - "features/"
+  - "lib/tasks/"
   - "node_modules/"
   - "script/"
   - "spec/"
   - "test/"
   - "tests/"
   - "vendor/"
-  - "lib/tasks/"
-  - "app/assets/javascripts/lib/"
-  - "bin/"
-  - "**/__tests__/"
-  - "**/.eslintrc.js"
-  - "*.js"
-  - "**/__stories__/"

app/javascript/modCenter/singleArticle/__tests__/singleArticle.test.jsx

@@ -3,7 +3,7 @@ import { h } from 'preact';
 import { axe } from 'jest-axe';
 import { render, getNodeText, fireEvent } from '@testing-library/preact';
 
-import SingleArticle from './index';
+import SingleArticle from '../index';
 
 const testArticle1 = {
   id: 1,