Change fixture scope from session to module

Change-Id: I7b304d40004ea699c29d61d88b7bd1f64ec63a53

Author: Junchao-Mellanox

tests/flow_counter/flow_counter_utils.py

@@ -103,7 +103,7 @@ def check_stats(self):
             return verify_route_flow_counter_stats(self.expected_stats, actual_stats)
 
 
-@pytest.fixture(scope = "session")
+@pytest.fixture(scope = "module")
 def is_route_flow_counter_supported(duthosts, enum_rand_one_per_hwsku_hostname):
     """Check if route flow counter is supported on this platform