feature(database-connection): Add tests for timetracking and add fallback value to max season for fetching stats

backend/package-lock.json

@@ -5988,6 +5988,15 @@
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       }
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+      "dev": true,
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+      }
+    },
     "jest-pnp-resolver": {
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       "resolved": "https://registry.npmjs.org/jest-pnp-resolver/-/jest-pnp-resolver-1.2.1.tgz",
@@ -9459,6 +9468,12 @@
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+    "ts-essentials": {
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+      "resolved": "https://registry.npmjs.org/ts-essentials/-/ts-essentials-4.0.0.tgz",
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+      "dev": true
+    },
     "ts-jest": {
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       "resolved": "https://registry.npmjs.org/ts-jest/-/ts-jest-26.1.1.tgz",