diff --git a/ackermann_steering_controller/test/test_ackermann_steering_controller.cpp b/ackermann_steering_controller/test/test_ackermann_steering_controller.cpp
index c04e87be95..c434f73467 100644
--- a/ackermann_steering_controller/test/test_ackermann_steering_controller.cpp
+++ b/ackermann_steering_controller/test/test_ackermann_steering_controller.cpp
@@ -89,9 +89,9 @@ TEST_F(AckermannSteeringControllerTest, check_exported_interfaces)
   {
     const std::string ref_itf_name =
       std::string(controller_->get_node()->get_name()) + "/" + joint_reference_interfaces_[i];
-    EXPECT_EQ(reference_interfaces[i].get_name(), ref_itf_name);
-    EXPECT_EQ(reference_interfaces[i].get_prefix_name(), controller_->get_node()->get_name());
-    EXPECT_EQ(reference_interfaces[i].get_interface_name(), joint_reference_interfaces_[i]);
+    EXPECT_EQ(reference_interfaces[i]->get_name(), ref_itf_name);
+    EXPECT_EQ(reference_interfaces[i]->get_prefix_name(), controller_->get_node()->get_name());
+    EXPECT_EQ(reference_interfaces[i]->get_interface_name(), joint_reference_interfaces_[i]);
   }
 }
 
diff --git a/ackermann_steering_controller/test/test_ackermann_steering_controller_preceeding.cpp b/ackermann_steering_controller/test/test_ackermann_steering_controller_preceeding.cpp
index 96dd20d80e..4f67beaa07 100644
--- a/ackermann_steering_controller/test/test_ackermann_steering_controller_preceeding.cpp
+++ b/ackermann_steering_controller/test/test_ackermann_steering_controller_preceeding.cpp
@@ -91,9 +91,9 @@ TEST_F(AckermannSteeringControllerTest, check_exported_interfaces)
   {
     const std::string ref_itf_name =
       std::string(controller_->get_node()->get_name()) + "/" + joint_reference_interfaces_[i];
-    EXPECT_EQ(reference_interfaces[i].get_name(), ref_itf_name);
-    EXPECT_EQ(reference_interfaces[i].get_prefix_name(), controller_->get_node()->get_name());
-    EXPECT_EQ(reference_interfaces[i].get_interface_name(), joint_reference_interfaces_[i]);
+    EXPECT_EQ(reference_interfaces[i]->get_name(), ref_itf_name);
+    EXPECT_EQ(reference_interfaces[i]->get_prefix_name(), controller_->get_node()->get_name());
+    EXPECT_EQ(reference_interfaces[i]->get_interface_name(), joint_reference_interfaces_[i]);
   }
 }
 
diff --git a/bicycle_steering_controller/test/test_bicycle_steering_controller.cpp b/bicycle_steering_controller/test/test_bicycle_steering_controller.cpp
index 573992b24e..7ec0983f93 100644
--- a/bicycle_steering_controller/test/test_bicycle_steering_controller.cpp
+++ b/bicycle_steering_controller/test/test_bicycle_steering_controller.cpp
@@ -73,9 +73,9 @@ TEST_F(BicycleSteeringControllerTest, check_exported_interfaces)
   {
     const std::string ref_itf_name =
       std::string(controller_->get_node()->get_name()) + "/" + joint_reference_interfaces_[i];
-    EXPECT_EQ(reference_interfaces[i].get_name(), ref_itf_name);
-    EXPECT_EQ(reference_interfaces[i].get_prefix_name(), controller_->get_node()->get_name());
-    EXPECT_EQ(reference_interfaces[i].get_interface_name(), joint_reference_interfaces_[i]);
+    EXPECT_EQ(reference_interfaces[i]->get_name(), ref_itf_name);
+    EXPECT_EQ(reference_interfaces[i]->get_prefix_name(), controller_->get_node()->get_name());
+    EXPECT_EQ(reference_interfaces[i]->get_interface_name(), joint_reference_interfaces_[i]);
   }
 }
 
diff --git a/bicycle_steering_controller/test/test_bicycle_steering_controller_preceeding.cpp b/bicycle_steering_controller/test/test_bicycle_steering_controller_preceeding.cpp
index 0bc03f4886..0a321009c2 100644
--- a/bicycle_steering_controller/test/test_bicycle_steering_controller_preceeding.cpp
+++ b/bicycle_steering_controller/test/test_bicycle_steering_controller_preceeding.cpp
@@ -77,9 +77,9 @@ TEST_F(BicycleSteeringControllerTest, check_exported_interfaces)
   {
     const std::string ref_itf_name =
       std::string(controller_->get_node()->get_name()) + "/" + joint_reference_interfaces_[i];
-    EXPECT_EQ(reference_interfaces[i].get_name(), ref_itf_name);
-    EXPECT_EQ(reference_interfaces[i].get_prefix_name(), controller_->get_node()->get_name());
-    EXPECT_EQ(reference_interfaces[i].get_interface_name(), joint_reference_interfaces_[i]);
+    EXPECT_EQ(reference_interfaces[i]->get_name(), ref_itf_name);
+    EXPECT_EQ(reference_interfaces[i]->get_prefix_name(), controller_->get_node()->get_name());
+    EXPECT_EQ(reference_interfaces[i]->get_interface_name(), joint_reference_interfaces_[i]);
   }
 }
 
diff --git a/pid_controller/test/test_pid_controller.cpp b/pid_controller/test/test_pid_controller.cpp
index 9b53dccb23..60d484e463 100644
--- a/pid_controller/test/test_pid_controller.cpp
+++ b/pid_controller/test/test_pid_controller.cpp
@@ -97,9 +97,9 @@ TEST_F(PidControllerTest, check_exported_interfaces)
     {
       const std::string ref_itf_name =
         std::string(controller_->get_node()->get_name()) + "/" + dof_name + "/" + interface;
-      EXPECT_EQ(ref_if_conf[ri_index].get_name(), ref_itf_name);
-      EXPECT_EQ(ref_if_conf[ri_index].get_prefix_name(), controller_->get_node()->get_name());
-      EXPECT_EQ(ref_if_conf[ri_index].get_interface_name(), dof_name + "/" + interface);
+      EXPECT_EQ(ref_if_conf[ri_index]->get_name(), ref_itf_name);
+      EXPECT_EQ(ref_if_conf[ri_index]->get_prefix_name(), controller_->get_node()->get_name());
+      EXPECT_EQ(ref_if_conf[ri_index]->get_interface_name(), dof_name + "/" + interface);
       ++ri_index;
     }
   }
diff --git a/pid_controller/test/test_pid_controller_preceding.cpp b/pid_controller/test/test_pid_controller_preceding.cpp
index 498ca633da..3bfd9e79ec 100644
--- a/pid_controller/test/test_pid_controller_preceding.cpp
+++ b/pid_controller/test/test_pid_controller_preceding.cpp
@@ -84,9 +84,9 @@ TEST_F(PidControllerTest, check_exported_interfaces)
     {
       const std::string ref_itf_name =
         std::string(controller_->get_node()->get_name()) + "/" + dof_name + "/" + interface;
-      EXPECT_EQ(ref_if_conf[ri_index].get_name(), ref_itf_name);
-      EXPECT_EQ(ref_if_conf[ri_index].get_prefix_name(), controller_->get_node()->get_name());
-      EXPECT_EQ(ref_if_conf[ri_index].get_interface_name(), dof_name + "/" + interface);
+      EXPECT_EQ(ref_if_conf[ri_index]->get_name(), ref_itf_name);
+      EXPECT_EQ(ref_if_conf[ri_index]->get_prefix_name(), controller_->get_node()->get_name());
+      EXPECT_EQ(ref_if_conf[ri_index]->get_interface_name(), dof_name + "/" + interface);
       ++ri_index;
     }
   }
diff --git a/steering_controllers_library/test/test_steering_controllers_library.cpp b/steering_controllers_library/test/test_steering_controllers_library.cpp
index fca7d00946..64387962bf 100644
--- a/steering_controllers_library/test/test_steering_controllers_library.cpp
+++ b/steering_controllers_library/test/test_steering_controllers_library.cpp
@@ -70,9 +70,9 @@ TEST_F(SteeringControllersLibraryTest, check_exported_interfaces)
   {
     const std::string ref_itf_name =
       std::string(controller_->get_node()->get_name()) + "/" + joint_reference_interfaces_[i];
-    EXPECT_EQ(reference_interfaces[i].get_name(), ref_itf_name);
-    EXPECT_EQ(reference_interfaces[i].get_prefix_name(), controller_->get_node()->get_name());
-    EXPECT_EQ(reference_interfaces[i].get_interface_name(), joint_reference_interfaces_[i]);
+    EXPECT_EQ(reference_interfaces[i]->get_name(), ref_itf_name);
+    EXPECT_EQ(reference_interfaces[i]->get_prefix_name(), controller_->get_node()->get_name());
+    EXPECT_EQ(reference_interfaces[i]->get_interface_name(), joint_reference_interfaces_[i]);
   }
 }
 
diff --git a/tricycle_steering_controller/test/test_tricycle_steering_controller.cpp b/tricycle_steering_controller/test/test_tricycle_steering_controller.cpp
index 3f2589cb6c..8e29314f8e 100644
--- a/tricycle_steering_controller/test/test_tricycle_steering_controller.cpp
+++ b/tricycle_steering_controller/test/test_tricycle_steering_controller.cpp
@@ -81,9 +81,9 @@ TEST_F(TricycleSteeringControllerTest, check_exported_interfaces)
   {
     const std::string ref_itf_name =
       std::string(controller_->get_node()->get_name()) + "/" + joint_reference_interfaces_[i];
-    EXPECT_EQ(ref_if_conf[i].get_name(), ref_itf_name);
-    EXPECT_EQ(ref_if_conf[i].get_prefix_name(), controller_->get_node()->get_name());
-    EXPECT_EQ(ref_if_conf[i].get_interface_name(), joint_reference_interfaces_[i]);
+    EXPECT_EQ(ref_if_conf[i]->get_name(), ref_itf_name);
+    EXPECT_EQ(ref_if_conf[i]->get_prefix_name(), controller_->get_node()->get_name());
+    EXPECT_EQ(ref_if_conf[i]->get_interface_name(), joint_reference_interfaces_[i]);
   }
 }
 
diff --git a/tricycle_steering_controller/test/test_tricycle_steering_controller_preceeding.cpp b/tricycle_steering_controller/test/test_tricycle_steering_controller_preceeding.cpp
index 2170659ee7..566169e34e 100644
--- a/tricycle_steering_controller/test/test_tricycle_steering_controller_preceeding.cpp
+++ b/tricycle_steering_controller/test/test_tricycle_steering_controller_preceeding.cpp
@@ -84,9 +84,9 @@ TEST_F(TricycleSteeringControllerTest, check_exported_interfaces)
   {
     const std::string ref_itf_name =
       std::string(controller_->get_node()->get_name()) + "/" + joint_reference_interfaces_[i];
-    EXPECT_EQ(ref_if_conf[i].get_name(), ref_itf_name);
-    EXPECT_EQ(ref_if_conf[i].get_prefix_name(), controller_->get_node()->get_name());
-    EXPECT_EQ(ref_if_conf[i].get_interface_name(), joint_reference_interfaces_[i]);
+    EXPECT_EQ(ref_if_conf[i]->get_name(), ref_itf_name);
+    EXPECT_EQ(ref_if_conf[i]->get_prefix_name(), controller_->get_node()->get_name());
+    EXPECT_EQ(ref_if_conf[i]->get_interface_name(), joint_reference_interfaces_[i]);
   }
 }