Add fast deep equal

package-lock.json

@@ -77,6 +77,7 @@
         "eslint-plugin-sort-keys-fix": "^1.1.2",
         "eslint-plugin-typescript-sort-keys": "^2.1.0",
         "eslint-plugin-unused-imports": "^2.0.0",
+        "fast-deep-equal": "^3.1.3",
         "gts": "^4.0.0",
         "husky": "^4.3.8",
         "jest": "^28.1.3",

package.json

@@ -94,6 +94,7 @@
     "eslint-plugin-sort-keys-fix": "^1.1.2",
     "eslint-plugin-typescript-sort-keys": "^2.1.0",
     "eslint-plugin-unused-imports": "^2.0.0",
+    "fast-deep-equal": "^3.1.3",
     "gts": "^4.0.0",
     "husky": "^4.3.8",
     "jest": "^28.1.3",