Change the shared_performance_test_cluster scope from session to class

Author: hehe7318

tests/integration-tests/tests/performance_tests/conftest.py

@@ -19,7 +19,7 @@
 NUMBER_OF_NODES = [8, 16, 32]
 
 
-@pytest.fixture(scope="session")
+@pytest.fixture(scope="class")
 def shared_performance_test_cluster(
     vpc_stack, pcluster_config_reader, clusters_factory, test_datadir, s3_bucket_factory
 ):