Add test dependency to ts-mockito

Author: eliericha

integration/vscode/ada/package-lock.json

@@ -869,6 +869,7 @@
         "mocha": "10.2.0",
         "mocha-junit-reporter": "^2.2.0",
         "prettier": "2.8.4",
+        "ts-mockito": "^2.6.1",
         "typescript": "4.9.5",
         "vscode-tmgrammar-test": "0.1.1"
     },
@@ -894,4 +895,4 @@
         "winston": "3.10.0",
         "ws": "8.13.0"
     }
-}
+}