diff --git a/launch_testing/test/launch_testing/examples/args_launch_test.py b/launch_testing/test/launch_testing/examples/args_launch_test.py
index 891efeeda..710762123 100644
--- a/launch_testing/test/launch_testing/examples/args_launch_test.py
+++ b/launch_testing/test/launch_testing/examples/args_launch_test.py
@@ -23,6 +23,7 @@
 import launch.substitutions
 
 import launch_testing
+import launch_testing.actions
 import launch_testing.util
 
 import pytest
@@ -44,7 +45,7 @@
 
 
 @pytest.mark.launch_test
-def generate_test_description(ready_fn):
+def generate_test_description():
 
     return launch.LaunchDescription([
 
@@ -63,7 +64,7 @@ def generate_test_description(ready_fn):
         # provides a simple launch action that does this:
         launch_testing.util.KeepAliveProc(),
 
-        launch.actions.OpaqueFunction(function=lambda context: ready_fn())
+        launch_testing.actions.ReadyToTest()
     ])
 
 
diff --git a/launch_testing/test/launch_testing/examples/context_launch_test.py b/launch_testing/test/launch_testing/examples/context_launch_test.py
index 64de150b3..b5e08b0ca 100644
--- a/launch_testing/test/launch_testing/examples/context_launch_test.py
+++ b/launch_testing/test/launch_testing/examples/context_launch_test.py
@@ -22,6 +22,7 @@
 import launch.actions
 
 import launch_testing
+import launch_testing.actions
 from launch_testing.asserts import assertSequentialStdout
 
 import pytest
@@ -45,14 +46,14 @@ def get_test_process_action():
 # adding them to the test context, it's not necessary to scope them at the module level like in
 # the good_proc.test.py example
 @pytest.mark.launch_test
-def generate_test_description(ready_fn):
+def generate_test_description():
     dut_process = get_test_process_action()
 
     ld = launch.LaunchDescription([
         dut_process,
 
         # Start tests right away - no need to wait for anything
-        launch.actions.OpaqueFunction(function=lambda context: ready_fn()),
+        launch_testing.actions.ReadyToTest(),
     ])
 
     # Items in this dictionary will be added to the test cases as an attribute based on
diff --git a/launch_testing/test/launch_testing/examples/parameters_launch_test.py b/launch_testing/test/launch_testing/examples/parameters_launch_test.py
index 04bc73aaf..78a471927 100644
--- a/launch_testing/test/launch_testing/examples/parameters_launch_test.py
+++ b/launch_testing/test/launch_testing/examples/parameters_launch_test.py
@@ -21,6 +21,7 @@
 import launch
 import launch.actions
 import launch_testing
+import launch_testing.actions
 import launch_testing.util
 
 import pytest
@@ -28,7 +29,7 @@
 
 @pytest.mark.launch_test
 @launch_testing.parametrize('arg_param', ['thing=On', 'thing=Off', 'flag1'])
-def generate_test_description(arg_param, ready_fn):
+def generate_test_description(arg_param):
 
     terminating_process = launch.actions.ExecuteProcess(
         cmd=[
@@ -48,7 +49,7 @@ def generate_test_description(arg_param, ready_fn):
         launch.LaunchDescription([
             terminating_process,
             launch_testing.util.KeepAliveProc(),
-            launch.actions.OpaqueFunction(function=lambda context: ready_fn())
+            launch_testing.actions.ReadyToTest(),
         ]),
         {'dut_process': terminating_process}
     )
diff --git a/launch_testing/test/launch_testing/examples/terminating_proc_launch_test.py b/launch_testing/test/launch_testing/examples/terminating_proc_launch_test.py
index 9a693f33b..0a7876a94 100644
--- a/launch_testing/test/launch_testing/examples/terminating_proc_launch_test.py
+++ b/launch_testing/test/launch_testing/examples/terminating_proc_launch_test.py
@@ -22,6 +22,7 @@
 import launch.actions
 
 import launch_testing
+import launch_testing.actions
 import launch_testing.asserts
 import launch_testing.markers
 import launch_testing.tools
@@ -46,10 +47,8 @@ def get_test_process_action(*, args=[]):
 
 @pytest.mark.launch_test
 @launch_testing.markers.keep_alive
-def generate_test_description(ready_fn):
-    return launch.LaunchDescription([
-        launch.actions.OpaqueFunction(function=lambda context: ready_fn()),
-    ])
+def generate_test_description():
+    return launch.LaunchDescription([launch_testing.actions.ReadyToTest()])
 
 
 class TestTerminatingProc(unittest.TestCase):