fix(test): fix tests by disabling babel built ins

Author: MrTelanie

.babelrc

@@ -8,8 +8,7 @@
             "targets": {
               "chrome": "63"
             },
-            "corejs": "3.1.4",
-            "useBuiltIns": "usage"
+            "useBuiltIns": false
           }
         ]
       ],
@@ -25,8 +24,7 @@
             "targets": {
               "chrome": "63"
             },
-            "corejs": "3.1.4",
-            "useBuiltIns": "usage"
+            "useBuiltIns": false
           }
         ]
       ],

package.json

@@ -42,6 +42,7 @@
     "@commitlint/cli": "12.0.1",
     "@commitlint/config-conventional": "12.0.1",
     "@types/mocha": "8.2.2",
+    "mocha": "9.0.1",
     "babel-eslint": "10.1.0",
     "babel-plugin-istanbul": "6.0.0",
     "babel-preset-minify": "0.5.1",