Adjust to clean test base

Author: guillett

openfisca_core/simulations/simulation.py

@@ -418,10 +418,10 @@ def invalidate_cache_entry(self, variable: str, period):
     def invalidate_spiral_variables(self, variable: str):
         invalidate_entries = False
         for frame in self.tracer.stack:
+            if not invalidate_entries and frame["name"] == variable:
+                invalidate_entries = True
             if invalidate_entries:
                 self.invalidate_cache_entry(str(frame["name"]), frame["period"])
-            elif frame["name"] == variable:
-                invalidate_entries = True
 
     # ----- Methods to access stored values ----- #
 

tests/core/test_tracers.py

@@ -18,7 +18,6 @@
     TracingParameterNodeAtInstant,
 )
 
-
 from .parameters_fancy_indexing.test_fancy_indexing import parameters
 
 
@@ -30,6 +29,7 @@ class StubSimulation(Simulation):
     def __init__(self):
         self.exception = None
         self.max_spiral_loops = 1
+        self.max_spiral_lookback_months = 0
         self.invalidated_cache_items = []
 
     def _calculate(self, variable, period):