exclude pipeline/sync tests and increase max_failed_tests to 30

easybuild/easyconfigs/p/PyTorch/PyTorch-2.1.2-foss-2023a-CUDA-12.1.1.eb

@@ -176,6 +176,9 @@ excluded_tests = {
         # intermittent failures on various systems
         # See https://github.com/easybuilders/easybuild-easyconfigs/issues/17712
         'distributed/rpc/test_tensorpipe_agent',
+        # failures on OmniPath systems, which don't support some optional InfiniBand features
+        # See https://github.com/pytorch/tensorpipe/issues/413
+        'distributed/pipeline/sync',
     ]
 }
 
@@ -184,7 +187,7 @@ runtest = 'cd test && PYTHONUNBUFFERED=1 %(python)s run_test.py --continue-throu
 # Especially test_quantization has a few corner cases that are triggered by the random input values,
 # those cannot be easily avoided, see https://github.com/pytorch/pytorch/issues/107030
 # So allow a low number of tests to fail as the tests "usually" succeed
-max_failed_tests = 2
+max_failed_tests = 30
 
 tests = ['PyTorch-check-cpp-extension.py']