chore: remove duplicate test execution in the pipeline

Author: boazpoolman

.github/workflows/tests.yml

@@ -58,13 +58,7 @@ jobs:
         run: yarn playground:install
       - name: Build the playground
         run: yarn playground:build
-        # We allow the unit tests to fail the first time around.
-        # For some reason they always fail the first time.
-      - name: Run unit tests (allow failures)
-        run: yarn test:unit || exit 0
-        # Then we run the test again, but this time we disallow failures.
-        # This way we can see the actual error messages.
-      - name: Run unit tests (disallow failures)
+      - name: Run unit tests
         run: yarn test:unit
       - name: Run integration tests
         run: yarn test:integration