diff --git a/rosbot_gazebo/test/test_multirobot_diff_drive_simulation.py b/rosbot_gazebo/test/test_multirobot_diff_drive_simulation.py
new file mode 100644
index 00000000..572c5b47
--- /dev/null
+++ b/rosbot_gazebo/test/test_multirobot_diff_drive_simulation.py
@@ -0,0 +1,126 @@
+# Copyright 2021 Open Source Robotics Foundation, Inc.
+# Copyright 2023 Intel Corporation. All Rights Reserved.
+# Copyright 2023 Husarion
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import launch_pytest
+import pytest
+import rclpy
+import os
+
+from ament_index_python.packages import get_package_share_directory
+from launch import LaunchDescription
+from launch.actions import ExecuteProcess
+from rclpy.executors import MultiThreadedExecutor
+from threading import Thread
+from launch_testing.actions import ReadyToTest
+from launch_testing.util import KeepAliveProc
+
+from test_utils import SimulationTestNode
+from test_ign_kill_utils import kill_ign_linux_processes
+
+
+@launch_pytest.fixture
+def generate_test_description():
+    # This is necessary to get unbuffered output from the process under test
+    proc_env = os.environ.copy()
+    proc_env["PYTHONUNBUFFERED"] = "1"
+
+    # IncludeLaunchDescription does not work with robots argument
+    simulation_launch = ExecuteProcess(
+        cmd=[
+            "ros2",
+            "launch",
+            "rosbot_gazebo",
+            "multirobot_simulation.launch.py",
+            (
+                f'world:={get_package_share_directory("husarion_office_gz")}'
+                "/worlds/empty_with_plugins.sdf"
+            ),
+            "robots:=robot1={y: 0.0}; robot2={y: 1.0}; robot3={y: 2.0}; robot4={y: 3.0}",
+            "headless:=True",
+        ],
+        output="screen",
+    )
+
+    return LaunchDescription(
+        [
+            simulation_launch,
+            KeepAliveProc(),
+            # Tell launch to start the test
+            ReadyToTest(),
+        ]
+    )
+
+
+@pytest.mark.launch(fixture=generate_test_description)
+def test_multirobot_simulation():
+    robot_names = ["robot1", "robot2", "robot3", "robot4"]
+    rclpy.init()
+    try:
+        nodes = []
+        executor = MultiThreadedExecutor(num_threads=len(robot_names))
+
+        for robot_name in robot_names:
+            node = SimulationTestNode("test_simulation", namespace=robot_name)
+            node.create_test_subscribers_and_publishers()
+            nodes.append(node)
+            executor.add_node(node)
+
+        ros_spin_thread = Thread(target=lambda executor: executor.spin(), args=(executor,))
+        ros_spin_thread.start()
+
+        for node in nodes:
+            # 0.9 m/s and 3.0 rad/s are controller's limits defined in
+            #   rosbot_controller/config/mecanum_drive_controller.yaml
+            node.set_destination_speed(0.9, 0.0, 0.0)
+
+        for node in nodes:
+            assert node.vel_stabilization_time_event.wait(timeout=60.0), (
+                "The simulation is running slowly or has crashed! The time elapsed since setting"
+                f" the target speed is: {(node.current_time - node.goal_received_time):.1f}."
+            )
+            assert (
+                node.controller_odom_flag
+            ), "ROSbot does not move properly in x direction. Check rosbot_base_controller!"
+            assert (
+                node.ekf_odom_flag
+            ), "ROSbot does not move properly in x direction. Check ekf_filter_node!"
+
+        for node in nodes:
+            node.set_destination_speed(0.0, 0.0, 3.0)
+
+        for node in nodes:
+            assert node.vel_stabilization_time_event.wait(timeout=60.0), (
+                "The simulation is running slowly or has crashed! The time elapsed since setting"
+                f" the target speed is: {(node.current_time - node.goal_received_time):.1f}."
+            )
+            assert (
+                node.controller_odom_flag
+            ), f"{robot_name} does not rotate properly. Check rosbot_base_controller!"
+            assert (
+                node.ekf_odom_flag
+            ), f"{robot_name} does not rotate properly. Check ekf_filter_node!"
+
+            flag = node.scan_event.wait(timeout=20.0)
+            assert flag, f"{robot_name}'s lidar does not work properly!"
+
+            node.destroy_node()
+
+    finally:
+        rclpy.shutdown()
+
+        # The pytest cannot kill properly the Gazebo Ignition's tasks what blocks launching
+        # several tests in a row.
+        kill_ign_linux_processes()
diff --git a/rosbot_gazebo/test/test_multirobot_mecanum_simulation.py b/rosbot_gazebo/test/test_multirobot_mecanum_simulation.py
new file mode 100644
index 00000000..906cb700
--- /dev/null
+++ b/rosbot_gazebo/test/test_multirobot_mecanum_simulation.py
@@ -0,0 +1,146 @@
+# Copyright 2021 Open Source Robotics Foundation, Inc.
+# Copyright 2023 Intel Corporation. All Rights Reserved.
+# Copyright 2023 Husarion
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import launch_pytest
+import pytest
+import rclpy
+import os
+
+from ament_index_python.packages import get_package_share_directory
+from launch import LaunchDescription
+from launch.actions import ExecuteProcess
+from launch_testing.actions import ReadyToTest
+from launch_testing.util import KeepAliveProc
+from rclpy.executors import MultiThreadedExecutor
+from threading import Thread
+
+from test_utils import SimulationTestNode
+from test_ign_kill_utils import kill_ign_linux_processes
+
+robot_names = ["robot1", "robot2", "robot3", "robot4"]
+
+
+@launch_pytest.fixture
+def generate_test_description():
+    # This is necessary to get unbuffered output from the process under test
+    proc_env = os.environ.copy()
+    proc_env["PYTHONUNBUFFERED"] = "1"
+
+    # IncludeLaunchDescription does not work with robots argument
+    simulation_launch = ExecuteProcess(
+        cmd=[
+            "ros2",
+            "launch",
+            "rosbot_gazebo",
+            "multirobot_simulation.launch.py",
+            (
+                f'world:={get_package_share_directory("husarion_office_gz")}'
+                "/worlds/empty_with_plugins.sdf"
+            ),
+            "robots:=robot1={y: 0.0}; robot2={y: 1.0}; robot3={y: 2.0}; robot4={y: 3.0}",
+            "headless:=True",
+            "mecanum:=True",
+        ],
+        output="screen",
+    )
+
+    return LaunchDescription(
+        [
+            simulation_launch,
+            KeepAliveProc(),
+            # Tell launch to start the test
+            ReadyToTest(),
+        ]
+    )
+
+
+@pytest.mark.launch(fixture=generate_test_description)
+def test_multirobot_mecanum_simulation():
+    robot_names = ["robot1", "robot2", "robot3", "robot4"]
+    rclpy.init()
+    try:
+        nodes = []
+        executor = MultiThreadedExecutor(num_threads=len(robot_names))
+
+        for robot_name in robot_names:
+            node = SimulationTestNode("test_simulation", namespace=robot_name)
+            node.create_test_subscribers_and_publishers()
+            nodes.append(node)
+            executor.add_node(node)
+
+        ros_spin_thread = Thread(target=lambda executor: executor.spin(), args=(executor,))
+        ros_spin_thread.start()
+
+        for node in nodes:
+            # 0.9 m/s and 3.0 rad/s are controller's limits defined in
+            #   rosbot_controller/config/mecanum_drive_controller.yaml
+            node.set_destination_speed(0.9, 0.0, 0.0)
+
+        for node in nodes:
+            assert node.vel_stabilization_time_event.wait(timeout=120.0), (
+                "The simulation is running slowly or has crashed! The time elapsed since setting"
+                f" the target speed is: {(node.current_time - node.goal_received_time):.1f}."
+            )
+            assert (
+                node.controller_odom_flag
+            ), "ROSbot does not move properly in x direction. Check rosbot_base_controller!"
+            assert (
+                node.ekf_odom_flag
+            ), "ROSbot does not move properly in x direction. Check ekf_filter_node!"
+
+        for node in nodes:
+            # 0.9 m/s and 3.0 rad/s are controller's limits defined in
+            #   rosbot_controller/config/mecanum_drive_controller.yaml
+            node.set_destination_speed(0.0, 0.9, 0.0)
+
+        for node in nodes:
+            assert node.vel_stabilization_time_event.wait(timeout=120.0), (
+                "The simulation is running slowly or has crashed! The time elapsed since setting"
+                f" the target speed is: {(node.current_time - node.goal_received_time):.1f}."
+            )
+            assert (
+                node.controller_odom_flag
+            ), "ROSbot does not move properly in y direction. Check rosbot_base_controller!"
+            assert (
+                node.ekf_odom_flag
+            ), "ROSbot does not move properly in y direction. Check ekf_filter_node!"
+
+        for node in nodes:
+            node.set_destination_speed(0.0, 0.0, 3.0)
+
+        for node in nodes:
+            assert node.vel_stabilization_time_event.wait(timeout=120.0), (
+                "The simulation is running slowly or has crashed! The time elapsed since setting"
+                f" the target speed is: {(node.current_time - node.goal_received_time):.1f}."
+            )
+            assert (
+                node.controller_odom_flag
+            ), f"{robot_name} does not rotate properly. Check rosbot_base_controller!"
+            assert (
+                node.ekf_odom_flag
+            ), f"{robot_name} does not rotate properly. Check ekf_filter_node!"
+
+            flag = node.scan_event.wait(timeout=20.0)
+            assert flag, f"{robot_name}'s lidar does not work properly!"
+
+            node.destroy_node()
+
+    finally:
+        rclpy.shutdown()
+
+        # The pytest cannot kill properly the Gazebo Ignition's tasks what blocks launching
+        # several tests in a row.
+        kill_ign_linux_processes()
diff --git a/rosbot_gazebo/test/test_namespaced_diff_drive_simulation.py b/rosbot_gazebo/test/test_namespaced_diff_drive_simulation.py
new file mode 100644
index 00000000..7a757cef
--- /dev/null
+++ b/rosbot_gazebo/test/test_namespaced_diff_drive_simulation.py
@@ -0,0 +1,113 @@
+# Copyright 2021 Open Source Robotics Foundation, Inc.
+# Copyright 2023 Intel Corporation. All Rights Reserved.
+# Copyright 2023 Husarion
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import launch_pytest
+import pytest
+import rclpy
+import os
+
+from ament_index_python.packages import get_package_share_directory
+from launch import LaunchDescription
+from launch.actions import IncludeLaunchDescription
+from launch.substitutions import PathJoinSubstitution
+from launch.launch_description_sources import PythonLaunchDescriptionSource
+from launch_testing.actions import ReadyToTest
+from launch_testing.util import KeepAliveProc
+
+from test_utils import SimulationTestNode
+from test_ign_kill_utils import kill_ign_linux_processes
+
+
+@launch_pytest.fixture
+def generate_test_description():
+    # This is necessary to get unbuffered output from the process under test
+    proc_env = os.environ.copy()
+    proc_env["PYTHONUNBUFFERED"] = "1"
+
+    rosbot_gazebo = get_package_share_directory("rosbot_gazebo")
+    simulation_launch = IncludeLaunchDescription(
+        PythonLaunchDescriptionSource(
+            PathJoinSubstitution(
+                [
+                    rosbot_gazebo,
+                    "launch",
+                    "simulation.launch.py",
+                ]
+            )
+        ),
+        launch_arguments={
+            "headless": "True",
+            "world": PathJoinSubstitution(
+                [
+                    get_package_share_directory("husarion_office_gz"),
+                    "worlds",
+                    "empty_with_plugins.sdf",
+                ]
+            ),
+            "namespace": "rosbot2r",
+        }.items(),
+    )
+
+    return LaunchDescription(
+        [
+            simulation_launch,
+            KeepAliveProc(),
+            # Tell launch to start the test
+            ReadyToTest(),
+        ]
+    )
+
+
+@pytest.mark.launch(fixture=generate_test_description)
+def test_namespaced_diff_drive_simulation():
+    rclpy.init()
+    try:
+        node = SimulationTestNode("test_simulation", namespace="rosbot2r")
+        node.create_test_subscribers_and_publishers()
+        node.start_node_thread()
+
+        # 0.9 m/s and 3.0 rad/s are controller's limits defined in
+        #   rosbot_controller/config/diff_drive_controller.yaml
+        node.set_destination_speed(0.9, 0.0, 0.0)
+        assert node.vel_stabilization_time_event.wait(timeout=40.0), (
+            "The simulation is running slowly or has crashed! The time elapsed since setting the"
+            f" target speed is: {(node.current_time - node.goal_received_time):.1f}."
+        )
+        assert (
+            node.controller_odom_flag
+        ), "ROSbot does not move properly in x direction. Check rosbot_base_controller!"
+        assert (
+            node.ekf_odom_flag
+        ), "ROSbot does not move properly in x direction. Check ekf_filter_node!"
+
+        node.set_destination_speed(0.0, 0.0, 3.0)
+        assert node.vel_stabilization_time_event.wait(timeout=40.0), (
+            "The simulation is running slowly or has crashed! The time elapsed since setting the"
+            f" target speed is: {(node.current_time - node.goal_received_time):.1f}."
+        )
+        assert (
+            node.controller_odom_flag
+        ), "ROSbot does not rotate properly. Check rosbot_base_controller!"
+        assert node.ekf_odom_flag, "ROSbot does not rotate properly. Check ekf_filter_node!"
+
+        flag = node.scan_event.wait(timeout=20.0)
+        assert flag, "ROSbot's lidar does not work properly!"
+
+    finally:
+        # The pytest cannot kill properly the Gazebo Ignition's tasks what blocks launching
+        # several tests in a row.
+        kill_ign_linux_processes()
+        rclpy.shutdown()
diff --git a/rosbot_gazebo/test/test_namespaced_mecanum_simulation.py b/rosbot_gazebo/test/test_namespaced_mecanum_simulation.py
new file mode 100644
index 00000000..92ff2570
--- /dev/null
+++ b/rosbot_gazebo/test/test_namespaced_mecanum_simulation.py
@@ -0,0 +1,126 @@
+# Copyright 2021 Open Source Robotics Foundation, Inc.
+# Copyright 2023 Intel Corporation. All Rights Reserved.
+# Copyright 2023 Husarion
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import launch_pytest
+import pytest
+import rclpy
+import os
+
+from ament_index_python.packages import get_package_share_directory
+from launch import LaunchDescription
+from launch.actions import IncludeLaunchDescription
+from launch.substitutions import PathJoinSubstitution
+from launch.launch_description_sources import PythonLaunchDescriptionSource
+from launch_testing.actions import ReadyToTest
+from launch_testing.util import KeepAliveProc
+
+from test_utils import SimulationTestNode
+from test_ign_kill_utils import kill_ign_linux_processes
+
+
+@launch_pytest.fixture
+def generate_test_description():
+    # This is necessary to get unbuffered output from the process under test
+    proc_env = os.environ.copy()
+    proc_env["PYTHONUNBUFFERED"] = "1"
+
+    rosbot_gazebo = get_package_share_directory("rosbot_gazebo")
+    simulation_launch = IncludeLaunchDescription(
+        PythonLaunchDescriptionSource(
+            PathJoinSubstitution(
+                [
+                    rosbot_gazebo,
+                    "launch",
+                    "simulation.launch.py",
+                ]
+            )
+        ),
+        launch_arguments={
+            "mecanum": "True",
+            "world": PathJoinSubstitution(
+                [
+                    get_package_share_directory("husarion_office_gz"),
+                    "worlds",
+                    "empty_with_plugins.sdf",
+                ]
+            ),
+            "headless": "True",
+            "namespace": "rosbot2r",
+        }.items(),
+    )
+
+    return LaunchDescription(
+        [
+            simulation_launch,
+            KeepAliveProc(),
+            # Tell launch to start the test
+            ReadyToTest(),
+        ]
+    )
+
+
+@pytest.mark.launch(fixture=generate_test_description)
+def test_namespaced_mecanum_simulation():
+    rclpy.init()
+    try:
+        node = SimulationTestNode("test_simulation", namespace="rosbot2r")
+        node.create_test_subscribers_and_publishers()
+        node.start_node_thread()
+
+        # 0.9 m/s and 3.0 rad/s are controller's limits defined in
+        #   rosbot_controller/config/mecanum_drive_controller.yaml
+        node.set_destination_speed(0.9, 0.0, 0.0)
+        assert node.vel_stabilization_time_event.wait(timeout=40.0), (
+            "The simulation is running slowly or has crashed! The time elapsed since setting the"
+            f" target speed is: {(node.current_time - node.goal_received_time):.1f}."
+        )
+        assert (
+            node.controller_odom_flag
+        ), "ROSbot does not move properly in x direction. Check rosbot_base_controller!"
+        assert (
+            node.ekf_odom_flag
+        ), "ROSbot does not move properly in x direction. Check ekf_filter_node!"
+
+        node.set_destination_speed(0.0, 0.9, 0.0)
+        assert node.vel_stabilization_time_event.wait(timeout=40.0), (
+            "The simulation is running slowly or has crashed! The time elapsed since setting the"
+            f" target speed is: {(node.current_time - node.goal_received_time):.1f}."
+        )
+        assert (
+            node.controller_odom_flag
+        ), "ROSbot does not move properly in y direction. Check rosbot_base_controller!"
+        assert (
+            node.ekf_odom_flag
+        ), "ROSbot does not move properly in y direction. Check ekf_filter_node!"
+
+        node.set_destination_speed(0.0, 0.0, 3.0)
+        assert node.vel_stabilization_time_event.wait(timeout=40.0), (
+            "The simulation is running slowly or has crashed! The time elapsed since setting the"
+            f" target speed is: {(node.current_time - node.goal_received_time):.1f}."
+        )
+        assert (
+            node.controller_odom_flag
+        ), "ROSbot does not rotate properly. Check rosbot_base_controller!"
+        assert node.ekf_odom_flag, "ROSbot does not rotate properly. Check ekf_filter_node!"
+
+        flag = node.scan_event.wait(timeout=20.0)
+        assert flag, "ROSbot's lidar does not work properly!"
+
+    finally:
+        # The pytest cannot kill properly the Gazebo Ignition's tasks what blocks launching
+        # several tests in a row.
+        kill_ign_linux_processes()
+        rclpy.shutdown()