Tests: The 'run_all' script was not correctly using exit code 0 when all tests pass

- Thanks to Gordon Ball.

ChangeLog

@@ -96,6 +96,8 @@
           (thanks to Kent R. Spillner).
 - Included 'problems' script in build dir
           (thanks to Gordon Ball).
+- The 'run_all' script was not correctly using exit code 0 when all tests pass
+          (thanks to Gordon Ball).
 
 ------ current release ---------------------------
 

test/problems

@@ -129,4 +129,4 @@ if __name__ == "__main__":
         print_category(expected)
 
     # If we encoutered any failures, return non-zero code
-    sys.exit(1 if error_int or unexpected_int else 0)
+    sys.exit(1 if int(error_int) or int(unexpected_int) else 0)