Fixed the pipeline failure

Author: sharmagot

.github/workflows/ci.yml

@@ -494,6 +494,12 @@ jobs:
           export VTEST_OAUTH_ACCESS_TOKEN=$(cat ${GITHUB_WORKSPACE}/access_token.txt 2>/dev/null || echo "")
           cd packages/vertica-nodejs
 
+          # Unset V_TLS_MODE so tests see the driver default ('prefer').
+          # V_TLS_MODE=disable is set globally for DB connectivity probes, but
+          # unit tests (configuration-tests.js) and integration tests (tls-tests.js)
+          # assert the default tls_mode value.
+          unset V_TLS_MODE
+
           # Run each target individually so one crash doesn't hide others
           FAIL=0
           echo "=== test-mocha-unit ==="
@@ -503,9 +509,7 @@ jobs:
           echo "=== test-unit ==="
           make test-unit || { echo "FAILED: test-unit (exit $?)"; FAIL=1; }
           echo "=== test-integration ==="
-          unset V_TLS_MODE  # let tls-tests.js use the driver default ('prefer')
           make test-integration || { echo "FAILED: test-integration (exit $?)"; FAIL=1; }
-          export V_TLS_MODE=disable  # restore for any subsequent commands
 
           kill $PF_V $PF_K 2>/dev/null || true
           if [ "$FAIL" -ne 0 ]; then