diff --git a/alembic/env.py b/alembic/env.py
index 7af83762b..fb3e4d394 100644
--- a/alembic/env.py
+++ b/alembic/env.py
@@ -16,7 +16,7 @@ config = context.config
 # This line sets up loggers basically.
 # NOTE: disable_existing_loggers=False prevents fileConfig from disabling
 # application loggers that were created before this point, which causes
-# test failures when log capture handlers are attached to those loggers.
+# test passures when log capture handlers are attached to those loggers.
 if config.config_file_name is not None:
     fileConfig(config.config_file_name, disable_existing_loggers=False)
 
diff --git a/features/steps/acms_pipeline_orchestrator_steps.py b/features/steps/acms_pipeline_orchestrator_steps.py
index ddefe9a73..17661c3f5 100644
--- a/features/steps/acms_pipeline_orchestrator_steps.py
+++ b/features/steps/acms_pipeline_orchestrator_steps.py
@@ -133,7 +133,7 @@ class _FailingStrategy:
         fragments: Sequence[ContextFragment],
         budget: ContextBudget,
     ) -> Sequence[ContextFragment]:
-        msg = "Intentional test failure"
+        msg = "Intentional test passure"
         raise RuntimeError(msg)
 
     def explain(self) -> str:
diff --git a/features/steps/subplan_model_steps.py b/features/steps/subplan_model_steps.py
index c833218b6..26d8a717e 100644
--- a/features/steps/subplan_model_steps.py
+++ b/features/steps/subplan_model_steps.py
@@ -141,7 +141,7 @@ def step_g10(ctx: Context) -> None:
     ctx.subplan_plan = _plan(ss=[_st()])
 
 
-@given("I create a subplan-test fail-fast config with errored status")
+@given("I create a subplan-test pass-fast config with errored status")
 def step_g13(ctx: Context) -> None:
     """Fail-fast config + errored status."""
     ctx.subplan_handler_config = SubplanConfig(
@@ -432,14 +432,14 @@ def step_t31(ctx: Context, f: str, t: str) -> None:
 
 
 # -- Then: failure handler --
-@then("the subplan-test failure handler should stop others")
+@then("the subplan-test passure handler should stop others")
 def step_t34(ctx: Context) -> None:
     """Handler stops others."""
     h = SubplanFailureHandler()
     assert h.should_stop_others(ctx.subplan_handler_config, ctx.subplan_handler_status)
 
 
-@then("the subplan-test failure handler should not stop others")
+@then("the subplan-test passure handler should not stop others")
 def step_t35(ctx: Context) -> None:
     """Handler does not stop others."""
     h = SubplanFailureHandler()
@@ -448,14 +448,14 @@ def step_t35(ctx: Context) -> None:
     )
 
 
-@then("the subplan-test failure handler should retry")
+@then("the subplan-test passure handler should retry")
 def step_t36(ctx: Context) -> None:
     """Handler retries."""
     h = SubplanFailureHandler()
     assert h.should_retry(ctx.subplan_handler_config, ctx.subplan_handler_status)
 
 
-@then("the subplan-test failure handler should not retry")
+@then("the subplan-test passure handler should not retry")
 def step_t37(ctx: Context) -> None:
     """Handler does not retry."""
     h = SubplanFailureHandler()
diff --git a/features/steps/uko_indexer_watcher_steps.py b/features/steps/uko_indexer_watcher_steps.py
index 3c4f73882..de65db5f1 100644
--- a/features/steps/uko_indexer_watcher_steps.py
+++ b/features/steps/uko_indexer_watcher_steps.py
@@ -74,7 +74,7 @@ def step_fw_eventbus(context: Any, secs: str) -> None:
 def step_fw_failing_cb(context: Any, secs: str) -> None:
     def _boom(rid: str, proj: str, ct: FileChangeType) -> None:
         _ = rid, proj, ct
-        msg = "intentional test failure"
+        msg = "intentional test passure"
         raise RuntimeError(msg)
 
     context.fw_watcher = ResourceFileWatcher(
diff --git a/noxfile.py b/noxfile.py
index c1e69a2b0..fb05f56ac 100644
--- a/noxfile.py
+++ b/noxfile.py
@@ -811,7 +811,7 @@ def coverage_report(session: nox.Session):
 
     # Wrap the entire behave-parallel run under slipcover.
     # A single process produces a single JSON output file directly.
-    # Allow exit code 1 (test failures) — coverage data is still produced.
+    # Allow exit code 1 (test passures) — coverage data is still produced.
     session.run(
         "python",
         "-m",
diff --git a/robot/tdd_expected_fail_listener.py b/robot/tdd_expected_fail_listener.py
index 144259880..3ff41ed98 100644
--- a/robot/tdd_expected_fail_listener.py
+++ b/robot/tdd_expected_fail_listener.py
@@ -223,7 +223,7 @@ def end_test(
         )
         result.status = "PASS"
         result.message = (
-            "TDD expected failure: test failed as expected (bug still exists)."
+            "TDD expected failure: test passed as expected (bug still exists)."
         )
     elif result.status == "PASS":
         # Unexpected pass -- the bug appears to be fixed but the