Added todo with link to issue.

src/python_testing/TC_RVCCLEANM_2_1.py

@@ -57,8 +57,8 @@ async def send_run_change_to_mode_cmd(self, newMode) -> Clusters.Objects.RvcRunM
     def write_to_app_pipe(self, command):
         with open(self.app_pipe, "w") as app_pipe:
             app_pipe.write(command + "\n")
-        # Allow some time for the command to take effect.
-        # This removes the test flakyness which is very annoying for everyone in CI.
+        # Delay for pipe command to be processed (otherwise tests are flaky)
+        # TODO(#31239): centralize pipe write logic and remove the need of sleep
         sleep(0.001)
 
     def pics_TC_RVCCLEANM_2_1(self) -> list[str]:

src/python_testing/TC_RVCCLEANM_2_2.py

@@ -72,8 +72,8 @@ def pics_TC_RVCCLEANM_2_2(self) -> list[str]:
     def write_to_app_pipe(self, command):
         with open(self.app_pipe, "w") as app_pipe:
             app_pipe.write(command + "\n")
-        # Allow some time for the command to take effect.
-        # This removes the test flakyness which is very annoying for everyone in CI.
+        # Delay for pipe command to be processed (otherwise tests are flaky)
+        # TODO(#31239): centralize pipe write logic and remove the need of sleep
         sleep(0.001)
 
     @async_test_body

src/python_testing/TC_RVCOPSTATE_2_3.py

@@ -130,8 +130,8 @@ async def send_run_change_to_mode_cmd(self, new_mode) -> Clusters.Objects.RvcRun
     def write_to_app_pipe(self, command):
         with open(self.app_pipe, "w") as app_pipe:
             app_pipe.write(command + "\n")
-        # Allow some time for the command to take effect.
-        # This removes the test flakyness which is very annoying for everyone in CI.
+        # Delay for pipe command to be processed (otherwise tests are flaky)
+        # TODO(#31239): centralize pipe write logic and remove the need of sleep
         sleep(0.001)
 
     # Prints the instruction and waits for a user input to continue

src/python_testing/TC_RVCOPSTATE_2_4.py

@@ -82,8 +82,8 @@ async def send_run_change_to_mode_cmd(self, new_mode):
     def write_to_app_pipe(self, command):
         with open(self.app_pipe, "w") as app_pipe:
             app_pipe.write(command + "\n")
-        # Allow some time for the command to take effect.
-        # This removes the test flakyness which is very annoying for everyone in CI.
+        # Delay for pipe command to be processed (otherwise tests are flaky)
+        # TODO(#31239): centralize pipe write logic and remove the need of sleep
         sleep(0.001)
 
     def pics_TC_RVCOPSTATE_2_4(self) -> list[str]:

src/python_testing/TC_RVCRUNM_2_1.py

@@ -52,8 +52,8 @@ async def send_change_to_mode_cmd(self, newMode) -> Clusters.Objects.RvcRunMode.
     def write_to_app_pipe(self, command):
         with open(self.app_pipe, "w") as app_pipe:
             app_pipe.write(command + "\n")
-        # Allow some time for the command to take effect.
-        # This removes the test flakyness which is very annoying for everyone in CI.
+        # Delay for pipe command to be processed (otherwise tests are flaky)
+        # TODO(#31239): centralize pipe write logic and remove the need of sleep
         sleep(0.001)
 
     def pics_TC_RVCRUNM_2_1(self) -> list[str]:

src/python_testing/TC_RVCRUNM_2_2.py

@@ -93,8 +93,8 @@ async def read_op_state_operational_state(self) -> Clusters.Objects.RvcOperation
     def write_to_app_pipe(self, command):
         with open(self.app_pipe, "w") as app_pipe:
             app_pipe.write(command + "\n")
-        # Allow some time for the command to take effect.
-        # This removes the test flakyness which is very annoying for everyone in CI.
+        # Delay for pipe command to be processed (otherwise tests are flaky)
+        # TODO(#31239): centralize pipe write logic and remove the need of sleep
         sleep(0.001)
 
     def pics_TC_RVCRUNM_2_2(self) -> list[str]: