Check suite timeout before running tests

Sometimes the first suite test can be really long. With this patch we
take into account suite timeout even for that one.

Signed-off-by: Andrea Cervesato <andrea.cervesato@suse.com>

Author: acerv

ltp/dispatcher.py

@@ -456,6 +456,9 @@ def _run_suite(
             if self._stop:
                 break
 
+            if time.time() - start_t >= self._suite_timeout:
+                timed_out = True
+
             if timed_out or interrupt:
                 # after suite timeout treat all tests left as skipped tests
                 result = TestResults(