Selenium: update run-suites.sh argument to match #10200

(cherry picked from commit 5af5f0c)

Author: michaelklishin

.github/workflows/test-authnz.yaml

@@ -97,7 +97,7 @@ jobs:
 
     - name: Run Suites
       run: |
-        RABBITMQ_DOCKER_IMAGE=bazel/packaging/docker-image:rabbitmq ${SELENIUM_DIR}/run-suites.sh full-suite-authnz
+        RABBITMQ_DOCKER_IMAGE=bazel/packaging/docker-image:rabbitmq ${SELENIUM_DIR}/run-suites.sh full-suite-authnz-messaging
 
     - name: Upload Test Artifacts
       if: always()

deps/rabbitmq_management/selenium/run-suites.sh

@@ -11,7 +11,7 @@ NC='\033[0m'
 SUCCESSFUL_SUITES=()
 FAILED_SUITES=()
 
-TOTAL_SUITES=`wc -l $SCRIPT/$SUITE_FILE | awk '{print $1}'`
+TOTAL_SUITES=$(wc -l $SCRIPT/$SUITE_FILE | awk '{print $1}')
 
 while read SUITE
 do