message: Actualize AttributeContainer_test
diff: @@ -112,6 +112,10 @@ TYPED_TEST(AttributeContainerT, SetAttributeCallBack)
  EXPECT_EQ(KEY, container.changed_attributes.back());
  EXPECT_NO_THROW(container.setAttr(KEY, VALUE));
  + ASSERT_EQ(1, container.changed_attributes.size());
  + EXPECT_EQ(KEY, container.changed_attributes.back());
  +
  + EXPECT_NO_THROW(container.setAttr(KEY, OTHER_VALUE));
  ASSERT_EQ(2, container.changed_attributes.size());
  EXPECT_EQ(KEY, container.changed_attributes.back());
  