fix

Signed-off-by: Davide Faconti <[email protected]>

nav2_behavior_tree/test/plugins/action/test_bt_action_node.cpp

@@ -316,7 +316,7 @@ TEST_F(BTActionNodeTestFixture, test_server_timeout_success)
   // the BT should have failed
   EXPECT_EQ(result, BT::NodeStatus::FAILURE);
 
-  // since the server timeout is 20ms and bt loop duration is 10ms, number of ticks should 
+  // since the server timeout is 20ms and bt loop duration is 10ms, number of ticks should
   // be at most 2, but it can be 1 too, because the tickOnce may execute two ticks.
   EXPECT_LE(ticks, 2);
   EXPECT_GE(ticks, 1);