one more try to catch python-tests fail on pg-10

Author: kulaginm

run_tests.sh

@@ -134,7 +134,7 @@ make USE_PGXS=1 python_tests || status=$?
 deactivate
 set -x
 
-if [ $status -ne 0 ]; then cat tests/python/tests.log; fi
+if [ $status -ne 0 ]; then tail -n 200 tests/python/tests.log; fi
 
 # show Valgrind logs if necessary
 if [ "$LEVEL" = "nightmare" ]; then

tests/python/partitioning_test.py

@@ -1089,8 +1089,6 @@ def test_concurrent_updates(self):
         SELECT create_range_partitions('test1', 'b', 1, 5);
         '''
 
-        configure_testgres(use_python_logging=True)
-
         with self.start_new_pathman_cluster(enable_partitionrouter=True) as node:
             node.safe_psql(create_sql)
 
@@ -1131,6 +1129,8 @@ def make_updates(node, count):
     else:
         suite = unittest.TestLoader().loadTestsFromTestCase(Tests)
 
+    configure_testgres(use_python_logging=True)
+
     result = unittest.TextTestRunner(verbosity=2, failfast=True).run(suite)
     if not result.wasSuccessful():
         sys.exit(1)