Add no-only-tests JS linter rule to detect test.only and suite.only

Author: pablonete

.eslintrc.js

@@ -8,13 +8,19 @@ module.exports = {
     node: true
   },
   extends: [require.resolve('./lib/configs/recommended'), 'plugin:eslint-plugin/all'],
-  plugins: ['eslint-plugin'],
+  plugins: ['eslint-plugin', 'no-only-tests'],
   rules: {
     'import/no-commonjs': 'off',
     'filenames/match-regex': 'off',
     'i18n-text/no-en': 'off',
     'eslint-plugin/prefer-placeholders': 'off',
     'eslint-plugin/test-case-shorthand-strings': 'off',
-    'eslint-plugin/require-meta-docs-url': 'off'
+    'eslint-plugin/require-meta-docs-url': 'off',
+    'no-only-tests/no-only-tests': [
+      'error',
+      {
+        'block': ['describe', 'it', 'context', 'test', 'tape', 'fixture', 'serial', 'suite']
+      }
+    ]
   }
 }

package-lock.json

@@ -49,6 +49,7 @@
     "@github/prettier-config": "0.0.4",
     "eslint": "7.23.0",
     "eslint-plugin-eslint-plugin": "^2.3.0",
+    "eslint-plugin-no-only-tests": "^2.6.0",
     "eslint-visitor-keys": "^2.0.0",
     "globals": "^13.7.0",
     "mocha": "^8.3.2"