pytest: add a more verbose warning for yul compilation if ran with -vv

tests/conftest.py

@@ -1,12 +1,12 @@
 """
-Pytest (plugin) definitions local to Cancun tests.
+Pytest definitions applied to all tests.
 """
 import warnings
 
 import pytest
 
 
-def pytest_collection_modifyitems(items):
+def pytest_collection_modifyitems(items, config):
     """
     Modify tests post collection.
 
@@ -16,5 +16,8 @@ def pytest_collection_modifyitems(items):
     """
     for item in items:
         if "Cancun" in item.name and "yul" in item.fixturenames:
-            warnings.warn("Compiling Yul source with Shanghai, not Cancun.")
+            if config.getoption("verbose") >= 2:
+                warnings.warn(f"Compiling Yul source for f{item.name} with Shanghai, not Cancun.")
+            else:
+                warnings.warn("Compiling Yul source with Shanghai, not Cancun.")
             item.add_marker(pytest.mark.compile_yul_with("Shanghai"))