fix tests

package.json

@@ -46,10 +46,10 @@
     "concurrently": "^6.2.1",
     "copyfiles": "^2.4.1",
     "cross-var": "^1.1.0",
-    "jest": "^24.8.0",
+    "jest": "^27.4.4",
     "jest-junit": "^6.4.0",
     "prettier": "^1.18.2",
-    "ts-jest": "^24.0.2",
+    "ts-jest": "^27.1.1",
     "tslint": "^5.17.0",
     "tslint-config-prettier": "^1.18.0",
     "tslint-plugin-prettier": "^2.0.1",