[MM-39839] Changes for writing unit tests, some re-org (#1849)

* Move tests to individual folders

* Moved e2e tests to e2e folder, fixed lint issues

* Lint fix

e2e/.eslintrc.json

@@ -0,0 +1,18 @@
+{
+    "env": {
+        "mocha": true
+    },
+    "globals": {
+        "open_window": true
+    },
+    "rules": {
+        "import/no-commonjs": 0,
+        "func-names": 0,
+        "global-require": 0,
+        "max-nested-callbacks": 0,
+        "no-eval": 0,
+        "no-magic-numbers": 0,
+        "no-unused-expressions": 0,
+        "prefer-arrow-callback": 0
+    }
+}