set application credentials env variable in graalvm b

Author: mpeddada1

.kokoro/build.sh

@@ -72,19 +72,15 @@ integration)
     ;;
 graalvmA)
     # Run Unit and Integration Tests with Native Image
-    echo "HELLOOOO"
     bash .kokoro/populate-secrets.sh
     export GOOGLE_APPLICATION_CREDENTIALS="${KOKORO_GFILE_DIR}/secret_manager/java-it-service-account"
-#    if [[ ! -z "${GOOGLE_APPLICATION_CREDENTIALS}" && "${GOOGLE_APPLICATION_CREDENTIALS}" != /* ]]; then
-#      echo "HELLO1"
-#      export GOOGLE_APPLICATION_CREDENTIALS=$(realpath ${KOKORO_GFILE_DIR}/${GOOGLE_APPLICATION_CREDENTIALS})
-#    fi
     mvn -B ${INTEGRATION_TEST_ARGS} -ntp -Pnative -Pnative-test test -pl 'oauth2_http'
     RETURN_CODE=$?
     ;;
 graalvmB)
     # Run Unit and Integration Tests with Native Image
-#    bash .kokoro/populate-secrets.sh
+    bash .kokoro/populate-secrets.sh
+    export GOOGLE_APPLICATION_CREDENTIALS="${KOKORO_GFILE_DIR}/secret_manager/java-it-service-account"
     mvn -B ${INTEGRATION_TEST_ARGS} -ntp -Pnative -Pnative-test test -pl 'oauth2_http'
     RETURN_CODE=$?
     ;;