diff --git a/.github/workflows/scripts-testing.yml b/.github/workflows/scripts-testing.yml
index 9b11e5bf..30e29be0 100644
--- a/.github/workflows/scripts-testing.yml
+++ b/.github/workflows/scripts-testing.yml
@@ -120,10 +120,9 @@ jobs:
           if test "${current_os:?}" = 'Linux'; then
             sudo apt-get -y -qq install 'mksh' 'yash' 'posh' 1> /dev/null
           elif test "${current_os:?}" = 'macOS'; then
-            brew update --quiet
-            brew 1> /dev/null install --quiet 'mksh' 'oksh' 'ksh93' 'yash'
-            brew 1> /dev/null install --quiet 'oils-for-unix'
-            osh --version
+            brew 1> /dev/null update --quiet || exit "${?}"
+            brew 1> /dev/null install --quiet 'mksh' 'oksh' 'ksh93' 'yash' || exit "${?}"
+            brew install --quiet 'oils-for-unix' || exit "${?}"
             mkdir -p -- '${{ github.workspace }}/cache/temp' || exit "${?}"
             if false && wget -q -O '${{ github.workspace }}/cache/temp/oils-for-unix.tar' -- "https://op.oilshell.org/uuu/github-jobs/8214/cpp-tarball.wwz/_release/oils-for-unix.tar"; then
               tar -x -f '${{ github.workspace }}/cache/temp/oils-for-unix.tar' -C '${{ github.workspace }}/cache/temp' || exit "${?}"
@@ -151,8 +150,8 @@ jobs:
             #echo '==='
             #'/opt/homebrew/bin/etsh' --version || echo $?
             echo '==='
-            ysh tools/my_test.sh || echo $?
-            echo '==='
+            #ysh tools/my_test.sh || echo $?
+            #echo '==='
           else
             choco 1> /dev/null install 'busybox' -y --no-progress
             #choco install 'schily-cdrtools' --pre -y --no-progress