refactor: Move module_name to integration test yaml

It's not good to keep this in the test_runner because then we have multiple points that we need to edit the test config, which can be hard to find.

We need this because the module name for uniswap_v2 is so far different from the rest of the protocols.

substreams/ethereum-uniswap-v2/integration_test_pancakeswap_v2.tycho.yaml

@@ -2,6 +2,7 @@ substreams_yaml_path: ./ethereum-pancakeswap-v2.yaml
 protocol_system: "pancakeswap_v2"
 protocol_type_names:
   - "pancakeswap_v2_pool"
+module_name: "map_pool_events"
 skip_balance_check: true
 initialized_accounts:
 tests: