diff --git a/__test__/verify-submodules-true.sh b/__test__/verify-submodules-true.sh
index 743e59b..d516a3f 100755
--- a/__test__/verify-submodules-true.sh
+++ b/__test__/verify-submodules-true.sh
@@ -1,4 +1,5 @@
 #!/bin/bash
+set -o pipefail
 
 if [ ! -f "./submodules-true/regular-file.txt" ]; then
     echo "Expected regular file does not exist"
@@ -19,7 +20,7 @@ echo "Testing persisted credential"
 pushd ./submodules-true/submodule-level-1
 
 # Check if credentials are configured
-git config --list | grep -q "http.*extraheader"
+git config list | grep -q "http.*extraheader"
 if [ "$?" != "0" ]; then
     echo "Failed to validate persisted credential - no http extraheader found"
     popd
@@ -27,7 +28,7 @@ if [ "$?" != "0" ]; then
 fi
 
 # Try to ls-remote to validate credentials work
-git ls-remote origin
+git ls-remote origin | head
 if [ "$?" != "0" ]; then
     echo "Failed to validate persisted credential - git ls-remote failed"
     popd