fix: add test env

Author: fmenezes

.github/workflows/code_health.yaml

@@ -40,6 +40,7 @@ jobs:
     name: Run Atlas tests
     if: github.event.pull_request.user.login != 'dependabot[bot]' && github.event.pull_request.head.repo.full_name == github.repository
     runs-on: ubuntu-latest
+    environment: Test
     steps:
       - uses: GitHubSecurityLab/actions-permissions/monitor@v1
       - uses: actions/checkout@v4
@@ -53,7 +54,7 @@ jobs:
         env:
           MDB_MCP_API_CLIENT_ID: ${{ secrets.TEST_ATLAS_CLIENT_ID }}
           MDB_MCP_API_CLIENT_SECRET: ${{ secrets.TEST_ATLAS_CLIENT_SECRET }}
-          MDB_MCP_API_BASE_URL: ${{ vars.TEST_ATLAS_BASE_URL }}
+          MDB_MCP_API_BASE_URL: ${{ secrets.TEST_ATLAS_BASE_URL }}
         run: npm test -- --testPathIgnorePatterns "tests/unit" --testPathIgnorePatterns "tests/integration/tools/mongodb" --testPathIgnorePatterns "tests/integration/[^/]+\.ts"
       - name: Upload test results
         uses: actions/upload-artifact@v4