fix unit tests

Author: facontidavide

tests/gtest_blackboard.cpp

@@ -196,7 +196,7 @@ TEST(BlackboardTest, TypoInPortName)
         </BehaviorTree>
     </root>)";
 
-  ASSERT_THROW(factory.createTreeFromText(xml_text), RuntimeError);
+  ASSERT_THROW(auto tree = factory.createTreeFromText(xml_text), RuntimeError);
 }
 
 TEST(BlackboardTest, CheckPortType)
@@ -228,7 +228,7 @@ TEST(BlackboardTest, CheckPortType)
         </BehaviorTree>
     </root>)";
 
-  ASSERT_THROW(factory.createTreeFromText(bad_one), RuntimeError);
+  ASSERT_THROW(auto tree = factory.createTreeFromText(bad_one), RuntimeError);
 }
 
 class RefCountClass

tests/gtest_fallback.cpp

@@ -148,8 +148,8 @@ TEST_F(ReactiveFallbackTest, Condition1ToTrue)
   BT::NodeStatus state = root.executeTick();
 
   ASSERT_EQ(NodeStatus::RUNNING, state);
-  ASSERT_EQ(NodeStatus::FAILURE, condition_1.status());
-  ASSERT_EQ(NodeStatus::FAILURE, condition_2.status());
+  ASSERT_EQ(NodeStatus::IDLE, condition_1.status());
+  ASSERT_EQ(NodeStatus::IDLE, condition_2.status());
   ASSERT_EQ(NodeStatus::RUNNING, action_1.status());
 
   condition_1.setExpectedResult(NodeStatus::SUCCESS);
@@ -170,8 +170,8 @@ TEST_F(ReactiveFallbackTest, Condition2ToTrue)
   BT::NodeStatus state = root.executeTick();
 
   ASSERT_EQ(NodeStatus::RUNNING, state);
-  ASSERT_EQ(NodeStatus::FAILURE, condition_1.status());
-  ASSERT_EQ(NodeStatus::FAILURE, condition_2.status());
+  ASSERT_EQ(NodeStatus::IDLE, condition_1.status());
+  ASSERT_EQ(NodeStatus::IDLE, condition_2.status());
   ASSERT_EQ(NodeStatus::RUNNING, action_1.status());
 
   condition_2.setExpectedResult(NodeStatus::SUCCESS);