fix sub-dependency path

Author: mtrezza

package.json

@@ -91,8 +91,8 @@
     "jsdoc-babel": "0.5.0",
     "lint-staged": "10.2.3",
     "madge": "4.0.2",
-    "mock-mail-adapter": "file:spec/support/MockMailAdapter",
-    "mock-files-adapter": "file:spec/support/MockFilesAdapter",
+    "mock-mail-adapter": "file:./spec/support/MockMailAdapter",
+    "mock-files-adapter": "file:./spec/support/MockFilesAdapter",
     "mongodb-runner": "4.8.1",
     "mongodb-version-list": "1.0.0",
     "node-fetch": "2.6.1",