Work around FacesOld TCK runner failing to download GlassFish by using alternative cached glassfish zip url

Signed-off-by: Scott Marlow <smarlow@redhat.com>

Author: scottmarlow

faces/bin/run-tck.sh

@@ -263,8 +263,12 @@ then
     export JEETCK_MODS=$TCK_PORTING_KIT
     export JAVAEE_HOME=$OLD_WILDFLY
     export JBOSS_HOME=$JAVAEE_HOME
-
-    GLASSFISH_URL=https://download.eclipse.org/ee4j/glassfish/glassfish-7.0.0.zip
+    if [[ -v GLASSFISH_URL ]]; then
+        echo "GLASSFISH_URL is already set to $GLASSFISH_URL which will be used"
+    else
+        GLASSFISH_URL=https://download.eclipse.org/ee4j/glassfish/glassfish-7.0.0.zip
+        echo "GLASSFISH_URL is not set and will default to $GLASSFISH_URL"
+    fi
     GLASSFISH_ZIP=glassfish-7.0.0.zip
     GLASSFISH_HOME=glassfish7
     export JAVAEE_HOME_RI=$ENV_ROOT/$GLASSFISH_HOME/glassfish