try disable shell tracing in test

test/feature/self-install.sh

@@ -10,11 +10,11 @@ out1="$($GITPACK -H install "$URL=$HASH")"
 test "$out1" = ">>> running install for $URL=$HASH
 <<< done; successfully installed"
 
-out2="$(sh -x "$HOME/.local/bin/gitpack" -H status "$URL=$HASH")"
+out2="$(sh "$HOME/.local/bin/gitpack" -H status "$URL=$HASH")"
 test "$out2" = ">>> running status for $URL=$HASH
 <<< candidate $HASH already installed"
 
-out3="$(sh -x "$HOME/.local/bin/gitpack" -H uninstall "$URL")"
+out3="$(sh "$HOME/.local/bin/gitpack" -H uninstall "$URL")"
 test "$out3" = ">>> running uninstall for $URL
 <<< done; successfully uninstalled"
 
@@ -24,11 +24,11 @@ if [ "$USE_SUDO" = true ]; then
     test "$out4" = ">>> running install for $URL=$HASH
 <<< done; successfully installed"
 
-    out5="$(sudo sh -x /usr/local/bin/gitpack -H status "$URL=$HASH")"
+    out5="$(sudo sh /usr/local/bin/gitpack -H status "$URL=$HASH")"
     test "$out5" = ">>> running status for $URL=$HASH
 <<< candidate $HASH already installed"
 
-    out6="$(sudo sh -x /usr/local/bin/gitpack -H uninstall "$URL")"
+    out6="$(sudo sh /usr/local/bin/gitpack -H uninstall "$URL")"
     test "$out6" = ">>> running uninstall for $URL
 <<< done; successfully uninstalled"
 fi

test/run.sh

@@ -40,8 +40,8 @@ export HASH="${GITHUB_SHA:?}" && # current commit hash
 SHORT_HASH="$(echo "$HASH" | cut -c 1-7)" &&
 export SHORT_HASH &&
 
-export GITPACK='sh -x src/gitpack' && # GitPack with tracing enabled
-export SUDO_GITPACK='sudo sh -x src/gitpack' && # root permissions
+export GITPACK='sh src/gitpack' && # GitPack with tracing enabled
+export SUDO_GITPACK='sudo sh src/gitpack' && # root permissions
 export URL=github.com/dominiksalvet/gitpack &&
 export VERSION=1.1.0 && # latest GitPack version
 export VERSION_HASH=d6cf61871c93e89b5c622d77ff8fa517da5d3ce0 &&