fix: trcomp fixtures to override default fixtures for integ tests (#3338)

Author: Lokiiiiii

tests/integ/test_training_compiler.py

@@ -26,10 +26,12 @@
 from tests.integ.timeout import timeout
 
 
+@pytest.fixture(scope="module")
 def gpu_instance_type(request):
     return "ml.p3.2xlarge"
 
 
+@pytest.fixture(scope="module")
 def instance_count(request):
     return 1