fixup! Fix TypeError on YamlItem by setting max_depth on runtest

Author: sandcha

openfisca_core/tools/test_runner.py

@@ -259,7 +259,7 @@ def runtest(self) -> None:
             tracer = self.simulation.tracer
             if verbose:
                 if max_depth is None:
-                    max_depth = sys.maxsize  # Print full tree
+                    max_depth = sys.maxsize  # Print trace full depth
                 self.print_computation_log(tracer, aggregate, max_depth)
             if performance_graph:
                 self.generate_performance_graph(tracer)