backend-common: remove usage of mock-fs, use MockDirectory instead

Signed-off-by: Patrik Oldsberg <poldsberg@gmail.com>

packages/backend-common/package.json

@@ -125,7 +125,6 @@
     "@types/fs-extra": "^9.0.3",
     "@types/http-errors": "^2.0.0",
     "@types/minimist": "^1.2.0",
-    "@types/mock-fs": "^4.13.0",
     "@types/morgan": "^1.9.0",
     "@types/node-forge": "^1.3.0",
     "@types/pg": "^8.6.6",
@@ -138,7 +137,6 @@
     "aws-sdk-client-mock": "^2.0.0",
     "better-sqlite3": "^8.0.0",
     "http-errors": "^2.0.0",
-    "mock-fs": "^5.2.0",
     "msw": "^1.0.0",
     "mysql2": "^2.2.5",
     "recursive-readdir": "^2.2.2",