Update verify-all.sh: added $t to explicitly tell which script had an…

… issue during a failed test (#3286)

* Update verify-all.sh:  added $t to explicitly tell which script had an issue in a failed test

* created an array to capture and display failed tests as summary

* created an array to capture and display failed tests as summary

* fixed unbound variable error

hack/verify-all.sh

@@ -22,6 +22,7 @@ SCRIPT_ROOT=$(dirname "${BASH_SOURCE}")/..
 source "${SCRIPT_ROOT}/hack/kube-env.sh"
 
 SILENT=true
+FAILED_TEST=()
 
 function is-excluded {
   for e in $EXCLUDE; do
@@ -65,19 +66,30 @@ do
     if bash "$t" &> /dev/null; then
       echo -e "${color_green}SUCCESS${color_norm}"
     else
-      echo -e "${color_red}FAILED${color_norm}"
+      echo -e "${color_red}FAILED: $t ${color_norm}"
+      FAILED_TEST+=("$t")
       ret=1
     fi
   else
     if bash "$t"; then
       echo -e "${color_green}SUCCESS: $t ${color_norm}"
     else
       echo -e "${color_red}Test FAILED: $t ${color_norm}"
+       FAILED_TEST+=("$t")
       ret=1
     fi
   fi
 done
 
+if [ ${#FAILED_TEST[@]} -ne 0 ]; then
+  echo -e "\n${color_red}Summary of failed tests:${color_norm}"
+  for test in "${FAILED_TEST[@]}"; do
+    echo -e "${color_red}- $test${color_norm}"
+  done
+else
+  echo -e "\n${color_green}All tests passed successfully.${color_norm}"
+fi
+
 exit $ret
 
 # ex: ts=2 sw=2 et filetype=sh