diff --git a/tests/fixtures/builders/model/eligibility.py b/tests/fixtures/builders/model/eligibility.py
index a1fd81f7d..6a987e0d2 100644
--- a/tests/fixtures/builders/model/eligibility.py
+++ b/tests/fixtures/builders/model/eligibility.py
@@ -5,23 +5,29 @@
 from polyfactory.factories import DataclassFactory
 
 from eligibility_signposting_api.model import eligibility
-from eligibility_signposting_api.model.eligibility import UrlLink
+from eligibility_signposting_api.model.eligibility import RuleType, UrlLink
 
 
 class SuggestedActionFactory(DataclassFactory[eligibility.SuggestedAction]):
     url_link = UrlLink("https://test-example.com")
 
 
+class ReasonFactory(DataclassFactory[eligibility.Reason]):
+    rule_type = RuleType.filter
+
+
+class CohortResultFactory(DataclassFactory[eligibility.CohortGroupResult]):
+    reasons = Use(ReasonFactory.batch, size=2)
+
+
 class ConditionFactory(DataclassFactory[eligibility.Condition]):
     actions = Use(SuggestedActionFactory.batch, size=2)
+    cohort_results = Use(CohortResultFactory.batch, size=2)
 
 
 class EligibilityStatusFactory(DataclassFactory[eligibility.EligibilityStatus]):
     conditions = Use(ConditionFactory.batch, size=2)
 
 
-class CohortResultFactory(DataclassFactory[eligibility.CohortGroupResult]): ...
-
-
 def random_str(length: int) -> str:
     return "".join(random.choice(string.ascii_lowercase + string.digits) for _ in range(length))
diff --git a/tests/fixtures/builders/model/rule.py b/tests/fixtures/builders/model/rule.py
index f0d7010b4..bbc9c340d 100644
--- a/tests/fixtures/builders/model/rule.py
+++ b/tests/fixtures/builders/model/rule.py
@@ -22,7 +22,9 @@ class IterationCohortFactory(ModelFactory[rules.IterationCohort]):
 
 class IterationRuleFactory(ModelFactory[rules.IterationRule]):
     attribute_target = None
-    attribute_name = None
+    attribute_name = "DATE_OF_BIRTH"
+    operator = "Y>"
+    comparator = "-1"
     cohort_label = None
     rule_stop = False