diff --git a/tracetools_launch/test/tracetools_launch/test_trace_action.py b/tracetools_launch/test/tracetools_launch/test_trace_action.py
index 9f27407..626a531 100644
--- a/tracetools_launch/test/tracetools_launch/test_trace_action.py
+++ b/tracetools_launch/test/tracetools_launch/test_trace_action.py
@@ -15,6 +15,7 @@
 import unittest
 
 from tracetools_launch.action import Trace
+from tracetools_launch.actions.ld_preload import LdPreload
 
 
 class TestTraceAction(unittest.TestCase):
@@ -48,9 +49,34 @@ class TestTraceAction(unittest.TestCase):
         for events in events_lists_no_match:
             self.assertFalse(Trace.has_profiling_events(events))
 
+    def test_has_ust_memory_events(self) -> None:
+        events_lists_match = [
+            [
+                'hashtag:yopo',
+                'lttng_ust_libc:malloc',
+                'lttng_ust_libc:realloc',
+            ],
+            [
+                'lttng_ust_libc:still_a_match',
+            ],
+        ]
+        events_lists_no_match = [
+            [],
+            [
+                'my_random:event',
+                'lttng_ust_whatever'
+            ]
+        ]
+        for events in events_lists_match:
+            self.assertTrue(Trace.has_ust_memory_events(events))
+        for events in events_lists_no_match:
+            self.assertFalse(Trace.has_ust_memory_events(events))
+
     def test_get_shared_lib_path(self) -> None:
         # Only test not finding a lib for now
-        self.assertIsNone(Trace.get_shared_lib_path('random_lib_that_does_not_exist_I_hope.so'))
+        self.assertIsNone(
+            LdPreload.get_shared_lib_path('random_lib_that_does_not_exist_I_hope.so')
+        )
 
 
 if __name__ == '__main__':