Display error message indicating why execution of tests stopped

Author: zachborboa

tests/test_all.sh

@@ -8,21 +8,25 @@ find . -type d -mindepth 2 -path "*/dockerfiles/*" | sort --reverse | while read
 
     bash "1_build.sh"
     if [[ $? -ne 0 ]]; then
+        echo "Error: Build failed for ${directory}"
         exit 1
     fi
 
     bash "2_start.sh"
     if [[ $? -ne 0 ]]; then
+        echo "Error: Start failed for ${directory}"
         exit 1
     fi
 
     bash "3_test.sh"
     if [[ $? -ne 0 ]]; then
+        echo "Error: Test failed for ${directory}"
         exit 1
     fi
 
     bash "4_stop.sh"
     if [[ $? -ne 0 ]]; then
+        echo "Error: Stop failed for ${directory}"
         exit 1
     fi