diff --git a/test-install-in-docker.sh b/test-install-in-docker.sh
index f98b35e..3226d90 100755
--- a/test-install-in-docker.sh
+++ b/test-install-in-docker.sh
@@ -146,7 +146,6 @@ case $ID in
 		cat /host/sh/install-redhat-fluent-package5.sh | sed -e 's,/5,/test/experimental/5,'
 		cat /host/sh/install-redhat-fluent-package5.sh | sed -e 's,/5,/test/experimental/5,' | sh
 		set -e
-		sudo sed -i -e 's,/5,/test/experimental/5,' /etc/yum.repos.d/fluent-package.repo
 		sudo $DNF update -y
 		sudo $DNF install -y fluent-package
 		;;
@@ -155,7 +154,6 @@ case $ID in
 		cat /host/sh/install-redhat-fluent-package5-lts.sh | sed -e 's,/lts/5,/test/experimental/lts/5,'
 		cat /host/sh/install-redhat-fluent-package5-lts.sh | sed -e 's,/lts/5,/test/experimental/lts/5,' | sh
 		set -e
-		sudo sed -i -e 's,/lts/5,/test/experimental/lts/5,' /etc/yum.repos.d/fluent-package-lts.repo
 		sudo $DNF update -y
 		sudo $DNF install -y fluent-package
 		;;
@@ -199,7 +197,6 @@ case $ID in
 			cat /host/sh/install-amazon2023-fluent-package5.sh | sed -e 's,/5,/test/experimental/5,'
 			cat /host/sh/install-amazon2023-fluent-package5.sh | sed -e 's,/5,/test/experimental/5,' | sh
 			set -e
-			sudo sed -i -e 's,/5,/test/experimental/5,' /etc/yum.repos.d/fluent-package.repo
 			sudo $DNF update -y
 			sudo $DNF install -y fluent-package
 			;;
@@ -208,7 +205,6 @@ case $ID in
 			cat /host/sh/install-amazon2023-fluent-package5-lts.sh | sed -e 's,/lts/5,/test/experimental/lts/5,'
 			cat /host/sh/install-amazon2023-fluent-package5-lts.sh | sed -e 's,/lts/5,/test/experimental/lts/5,' | sh
 			set -e
-			sudo sed -i -e 's,/lts/5,/test/experimental/lts/5,' /etc/yum.repos.d/fluent-package-lts.repo
 			sudo $DNF update -y
 			sudo $DNF install -y fluent-package
 			;;
diff --git a/test-verify-repo.sh b/test-verify-repo.sh
index f029588..4b58eae 100755
--- a/test-verify-repo.sh
+++ b/test-verify-repo.sh
@@ -66,7 +66,8 @@ echo "REPO_TARGETS: $REPO_TARGETS"
 # give a grace period to terminate (Ctrl+C)
 sleep 3
 RESULTS=""
+mkdir -p logs
 test_deb
 test_rpm
-grep "Failed to install" install-*.log
+grep "Failed to install" logs/install-*.log
 echo -e $RESULTS