Massive adjustment in integration tests for changed and failed (#2577) (#2586)

* Replaced ".changed ==" with "is [not] changed". Same for failed

* Mr Quote refused to go

(cherry picked from commit d7e55db99b)

Co-authored-by: Alexei Znamensky <103110+russoz@users.noreply.github.com>

tests/integration/targets/xml/tasks/test-get-element-content-unicode.yml

@@ -15,7 +15,7 @@
   - name: Test expected result
     assert:
       that:
-      - get_element_attribute.changed == false
+      - get_element_attribute is not changed
       - get_element_attribute.matches[0]['rating'] is defined and get_element_attribute.matches[0]['rating']['subjective'] == 'да'
 
   - name: Get element text
@@ -28,5 +28,5 @@
   - name: Test expected result
     assert:
       that:
-      - get_element_text.changed == false
+      - get_element_text is not changed
       - get_element_text.matches[0]['rating'] == 'десять'