Test with -w for now

jenkins_scripts/run_tests_on_dir_and_compare.sh

@@ -31,4 +31,10 @@ sed --in-place=.bak2 -e "s|${REPOSITORY_DIR}|DIR|g" run_tests_output.txt
 cat run_tests_output.txt
 
 # compare with last correct output
-diff -u run_tests_output.txt jenkins_scripts/run_tests_valid_output.txt
+#
+# TODO: -w added only temporarily, since "Possible reasons:" was for some time
+# with extra space in CGE repo, but in "run_tests_valid_output.txt" has
+# trimmed space. Once CGE updates, it should be everywhere without space,
+# and -w can be removed below.
+
+diff -wu run_tests_output.txt jenkins_scripts/run_tests_valid_output.txt