@@ -166,9 +166,15 @@ function configure_tempest() {

         fi

         flavor_ref=${flavors[0]}

         flavor_ref_alt=$flavor_ref

-        if [[ $num_flavors -gt 1 ]]; then

-            flavor_ref_alt=${flavors[1]}

-        fi

+

+        # ensure flavor_ref and flavor_ref_alt have different values

+        # some resize instance in tempest tests depends on this.

+        for f in ${flavors[@]:1}; do

+            if [[ $f -ne $flavor_ref ]]; then

+                flavor_ref_alt=$f

+                break

+            fi

+        done

     fi

     if [ "$Q_USE_NAMESPACE" != "False" ]; then