radeonsi: fix test script's output

This line was dropped in the last refactoring. We need
to clearly state to the user if the new results are
different to the expected ones.

Acked-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/12215>

src/gallium/drivers/radeonsi/ci/radeonsi-run-tests.py

@@ -172,7 +172,10 @@ def verify_results(baseline1, baseline2):
     #  - if no baseline, baseline2 will contain the list of failures
     #  - if there's a baseline, baseline2 will contain the diff
     # So in both cases, an empty baseline2 files means a successful run
-    return len(open(baseline2, 'r').readlines()) == 0
+    if len(open(baseline2, 'r').readlines()) != 0:
+        print_red('New errors. Check {}'.format(baseline2))
+        return False
+    return True
 
 # piglit test
 if args.piglit: