Fix spawner tests timeout on source builds (backport #1692) (#1697)

* Fix spawner tests timeout (#1692)

(cherry picked from commit 079392b)

# Conflicts:
#	controller_manager/test/test_spawner_unspawner.cpp

* Fix merge conflicts

---------

Co-authored-by: Sai Kishor Kothakota <sai.kishor@pal-robotics.com>
Co-authored-by: Christoph Fröhlich <christophfroehlich@users.noreply.github.com>

controller_manager/test/test_spawner_unspawner.cpp

@@ -221,6 +221,7 @@ TEST_F(TestLoadController, multi_ctrls_test_type_in_param)
 
 TEST_F(TestLoadController, spawner_test_type_in_arg)
 {
+  ControllerManagerRunner cm_runner(this);
   // Provide controller type via -t argument
   EXPECT_EQ(
     call_spawner(
@@ -239,6 +240,7 @@ TEST_F(TestLoadController, unload_on_kill)
 {
   // Launch spawner with unload on kill
   // timeout command will kill it after the specified time with signal SIGINT
+  ControllerManagerRunner cm_runner(this);
   std::stringstream ss;
   ss << "timeout --signal=INT 5 "
      << std::string(coveragepy_script) +
@@ -507,6 +509,7 @@ TEST_F(TestLoadControllerWithNamespacedCM, spawner_test_type_in_params_file)
   const std::string test_file_path = ament_index_cpp::get_package_prefix("controller_manager") +
                                      "/test/test_controller_spawner_with_type.yaml";
 
+  ControllerManagerRunner cm_runner(this);
   // Provide controller type via the parsed file
   EXPECT_EQ(
     call_spawner(
@@ -567,6 +570,7 @@ TEST_F(
   const std::string test_file_path = ament_index_cpp::get_package_prefix("controller_manager") +
                                      "/test/test_controller_spawner_with_type.yaml";
 
+  ControllerManagerRunner cm_runner(this);
   // Provide controller type via the parsed file
   EXPECT_EQ(
     call_spawner(