config(mocha): require 'esm' depedency

.mocharc.yaml

@@ -1,3 +1,3 @@
 recursive: true
-require: ['@babel/register','source-map-support', 'test/mocha/setup.js']
+require: ['esm','@babel/register','source-map-support', 'test/mocha/setup.js']
 # spec: 'test/mocha/**/*.{js,jsx}'

package-lock.json

@@ -9002,6 +9002,12 @@
       "integrity": "sha512-qzm/XxIbxm/FHyH341ZrbnMUpe+5Bocte9xkmFMzPMjRaZMcXww+MpBptFvtU+79L362nqiLhekCxCxDPaUMBQ==",
       "dev": true
     },
+    "esm": {
+      "version": "3.2.25",
+      "resolved": "https://registry.npmjs.org/esm/-/esm-3.2.25.tgz",
+      "integrity": "sha512-U1suiZ2oDVWv4zPO56S0NcR5QriEahGtdN2OR6FiOG4WJvcjBVFB0qI4+eKoWFH483PKGuLuu6V8Z4T5g63UVA==",
+      "dev": true
+    },
     "espree": {
       "version": "3.5.4",
       "resolved": "https://registry.npmjs.org/espree/-/espree-3.5.4.tgz",

package.json

@@ -121,6 +121,7 @@
     "eslint-plugin-import": "^2.21.1",
     "eslint-plugin-mocha": "^6.3.0",
     "eslint-plugin-react": "^7.20.0",
+    "esm": "=3.2.25",
     "expect": "^1.20.2",
     "express": "^4.17.1",
     "file-loader": "^6.0.0",