test: fix mocha loading esm

.mocharc.json

@@ -0,0 +1,3 @@
+{
+  "require": ["esm"]
+}

src/server/controllers/storage.js

@@ -1,7 +1,7 @@
-import path from 'path';
-import fs from 'fs';
 import { execSync } from 'child_process';
+import fs from 'fs';
 import log4js from 'log4js';
+import path from 'path';
 
 const logger = log4js.getLogger('default');
 

test/test.js

@@ -1,4 +1,6 @@
+import 'dotenv/config';
 import request from 'supertest';
+
 import app from '../src/server/app';
 
 // TODO better way to only run tests once server is up