Squash unintended rec rate test warnings popsim-consortium#1626

tests/test_models.py

@@ -34,10 +34,19 @@ def test_debug_runs(self):
 
     @pytest.mark.filterwarnings("ignore:.*Zigzag_1S14.*:UserWarning")
     def test_simulation_runs(self):
-        # With a recombination_map of None, we simulate a coalescent without
-        # recombination in msprime, with mutation rate equal to rate from model.
+        # When model has no specific recombination rate,
+        #   we simulate coalescent without recombination.
+        # Otherwise, we use the rate from the model.
+        # We use mutation rate equal to rate from model
+        #  (or species when the model does not have one.
+        if self.model.recombination_rate is None:
+            recombination_rate = 0
+        else:
+            recombination_rate = self.model.recombination_rate
         contig = stdpopsim.Contig.basic_contig(
-            length=100, mutation_rate=self.model.mutation_rate
+            length=100,
+            mutation_rate=self.model.mutation_rate,
+            recombination_rate=recombination_rate,
         )
         # Generate vector with 2 samples for each pop with sampling enabled
         samples = {}