logging the crash properly when running test262-harness.py

When running tests262 cases, the jerry program may exit with error code other than 1,
that's means a crash or JERRY_ASSERT triggered and should be resolved, so dump the test
name and stderr/stdout for tracking those crash in CI.

related issue: jerryscript-project#4463

JerryScript-DCO-1.0-Signed-off-by: Yonggang Luo luoyonggang@gmail.com

tools/runners/test262-harness.py

@@ -423,6 +423,9 @@ def __init__(self, exit_code, stdout, stderr, case):
         self.stdout = stdout
         self.stderr = stderr
         self.case = case
+        if self.has_failed() and self.exit_code != 1:
+            logging.warning("%s negative:%s exit_code:%d stdout:%s stderr:%s\n",
+                            case.name, case.is_negative(), exit_code, stdout, stderr)
 
     def report_outcome(self, long_format):
         name = self.case.get_name()