Make --quiet a little less quiet

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
diff --git a/tests/scripts/run_demos.py b/tests/scripts/run_demos.py
index 6d86a9b..6c6142c 100755
--- a/tests/scripts/run_demos.py
+++ b/tests/scripts/run_demos.py
@@ -29,11 +29,13 @@
             failures.append(demo)
             if not quiet:
                 print('{}: FAIL'.format(demo))
-        if not quiet:
+        if quiet:
+            print('{}: {}'.format(demo, 'PASS' if success else 'FAIL'))
+        else:
             print('')
     successes = len(demos) - len(failures)
     print('{}/{} demos passed'.format(successes, len(demos)))
-    if failures:
+    if failures and not quiet:
         print('Failures:', *failures)
     return not failures