tests: fix 'gvtest' import adjustment

This appended path was clearly wrong. Yet this test was running (and passing) in
CI. It seems somehow `./rtest` is already in the `$PYTHONPATH` in CI. A bit
mysterious, but this correction lets the test suite run locally correctly too.

diff --git a/tests/regression_tests/large/test_large_graphs.py b/tests/regression_tests/large/test_large_graphs.py
index 548f6af48d5c98cbd54749a6889a6571db09b178..7c7741605c705b801cb98cb6850bb9a649704b00 100644 (file)
--- a/tests/regression_tests/large/test_large_graphs.py
+++ b/tests/regression_tests/large/test_large_graphs.py
@@ -9,7 +9,7 @@ import subprocess
 import sys
 import pytest
 
-sys.path.append(os.path.join(os.path.dirname(__file__), "../rtest"))
+sys.path.append(os.path.join(os.path.dirname(__file__), "../../../rtest"))
 from gvtest import dot #pylint: disable=wrong-import-position
 
 @pytest.mark.skipif(platform.system() == "Windows" and