Remove mocha+chai+jsdom (old unit/int test env)

Author: jhildenbiddle

package-lock.json

@@ -28,7 +28,6 @@
     "dev:ssr": "run-p serve:ssr watch:*",
     "lint": "eslint .",
     "fixlint": "eslint . --fix",
-    "test": "mocha ./test/**/*.test.js",
     "test:jest": "jest",
     "test:jest-e2e": "jest --selectProjects e2e",
     "test:jest-examples": "jest -i ./tests/**/example.test.js --testPathIgnorePatterns",
@@ -73,7 +72,6 @@
     "babel-eslint": "^10.0.3",
     "babel-jest": "^26.3.0",
     "browser-sync": "^2.26.12",
-    "chai": "^4.2.0",
     "chokidar": "^3.4.2",
     "common-tags": "^1.8.0",
     "conventional-changelog-cli": "^2.1.0",
@@ -85,18 +83,15 @@
     "eslint-plugin-jest": "^24.0.2",
     "eslint-plugin-jest-playwright": "^0.2.1",
     "eslint-plugin-prettier": "^3.1.2",
-    "esm": "^3.1.4",
     "got": "^11.7.0",
     "husky": "^3.1.0",
     "jest": "^26.4.2",
     "jest-image-snapshot": "^4.2.0",
     "jest-playwright-preset": "^1.3.1",
-    "jsdom": "^16.4.0",
     "lerna": "^3.22.1",
     "lint-staged": "^10.4.0",
     "live-server": "^1.2.1",
     "mkdirp": "^0.5.1",
-    "mocha": "^5.2.0",
     "npm-run-all": "^4.1.5",
     "playwright": "^1.4.1",
     "prettier": "^1.19.1",