Avoid subshell hiding failure report from testfilestats

We remove the working directory from the found file names as these paths
could contain a lot of funny characters confusing the for loop like
spaces… we just readd it later in the actual calls to be safe.

test/integration/framework

@@ -2094,11 +2094,12 @@ testfilestats() {
 	else
 		local OUTPUT="${TMPWORKINGDIRECTORY}/rootdir/tmp/testfilestats.output"
 		{
+			echo
 			ls -ld "$1" || true
 			echo -n "stat(1) reports for $2: "
 			stat --format "$2" "$1" || true
 		} >"$OUTPUT" 2>&1
-		msgfailoutput '' "$OUTPUT"
+		msgfailoutput '' "$OUTPUT" stat --format "$2" "$1"
 	fi
 	msggroup
 }
@@ -2261,8 +2262,8 @@ aptautotest_aptget_update() {
 	# all copied files are properly chmodded
 	local backupIFS="$IFS"
 	IFS="$(printf "\n\b")"
-	cdfind "${TMPWORKINGDIRECTORY}/rootdir/var/lib/apt/lists" -type f ! -name 'lock' | while read file; do
-		testfilestats "$file" '%U:%G:%a' '=' "${TEST_DEFAULT_USER}:${TEST_DEFAULT_GROUP}:644"
+	for file in $(cdfind "${TMPWORKINGDIRECTORY}/rootdir/var/lib/apt/lists" -type f ! -name 'lock' | cut -c "$((${#TMPWORKINGDIRECTORY} + 1))-"); do
+		testfilestats "${TMPWORKINGDIRECTORY}$file" '%U:%G:%a' '=' "${TEST_DEFAULT_USER}:${TEST_DEFAULT_GROUP}:644"
 	done
 	IFS="$backupIFS"
 	if [ "$TESTCALL" = 'testsuccess' ]; then