systemc: Filter a pydot warning message out when checking test output.

This warning can show up if pydot isn't set up properly and doesn't have
anything to do with the success of the test.

Change-Id: Iddcea5aa27196bc5cf747bf5a295b6c9a91b3d2c
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/32174
Reviewed-by: Bobby R. Bruce <bbruce@ucdavis.edu>
Maintainer: Bobby R. Bruce <bbruce@ucdavis.edu>
Tested-by: kokoro <noreply+kokoro@google.com>

diff --git a/src/systemc/tests/verify.py b/src/systemc/tests/verify.py
index 5ca783f0dc367030c2ac8d69bd302186a9d12ad4..2c0ebc91691e240502bc9acd861e9b73acd24f42 100755 (executable)
--- a/src/systemc/tests/verify.py
+++ b/src/systemc/tests/verify.py
@@ -266,6 +266,8 @@ class LogChecker(DiffingChecker):
         r'^Global frequency set at \d* ticks per second\n',
         r'^info: Entering event queue @ \d*\.  Starting simulation\.\.\.\n',
         r'warn: Ignoring request to set stack size\.\n',
+        r'^warn: No dot file generated. Please install pydot ' +
+        r'to generate the dot file and pdf.\n',
         info_filt(804),
         in_file_filt,
     )