Refine SDK fallback tests command to streamline exclusions

- Updated the command for running SDK fallback tests in the GitHub Actions workflow to consolidate exclusion patterns for test files.
- This change enhances the clarity and efficiency of the test execution process, ensuring that only relevant tests are run.

These modifications contribute to a more focused and reliable testing environment for SDK fallback scenarios.

Author: mantrakp04

.github/workflows/e2e-fallback-tests.yaml

@@ -157,7 +157,7 @@ jobs:
       # Backend API tests use direct HTTP calls that don't go through fallback.
       # Exclude cross-domain-auth which hardcodes the primary URL.
       - name: Run SDK fallback tests
-        run: pnpm -w run pre && cd apps/e2e && npx vitest run tests/js/ --exclude '**/cross-domain-auth*' --exclude '**/oauth.test*' --exclude '**/email-template-existing-project*'
+        run: pnpm -w run pre && cd apps/e2e && npx vitest run tests/js/ --exclude '**/{cross-domain-auth,oauth,email-template-existing-project}*'
 
       - name: Print Docker Compose logs
         if: always()