Normalize bools in tests (#5996)

* Normalize bools in tests.

* Fix typo.

tests/integration/targets/xml/tasks/test-xmlstring.yml

@@ -22,8 +22,8 @@
     copy:
       content: "{{ xmlresponse.xmlstring }}\n"
       dest: '/tmp/test-pretty-print-only.xml'
-    check_mode: yes
-    diff: yes
+    check_mode: true
+    diff: true
     register: comparison
 
   - name: Test expected result
@@ -38,15 +38,15 @@
   - name: Read from xmlstring (using pretty_print)
     xml:
       xmlstring: "{{ lookup('file', '{{ role_path }}/fixtures/ansible-xml-beers.xml') }}"
-      pretty_print: yes
+      pretty_print: true
     register: xmlresponse
 
   - name: Compare to expected result
     copy:
       content: '{{ xmlresponse.xmlstring }}'
       dest: '/tmp/test-pretty-print-only.xml'
-    check_mode: yes
-    diff: yes
+    check_mode: true
+    diff: true
     register: comparison
 
   # FIXME: This change is related to the newline added by pretty_print
@@ -63,7 +63,7 @@
     xml:
       xmlstring: "{{ lookup('file', '{{ role_path }}/fixtures/ansible-xml-beers.xml') }}"
       xpath: /business/beers
-      pretty_print: yes
+      pretty_print: true
       add_children:
       - beer: Old Rasputin
     register: xmlresponse_modification
@@ -72,8 +72,8 @@
     copy:
       content: '{{ xmlresponse_modification.xmlstring }}'
       dest: '/tmp/test-pretty-print.xml'
-    check_mode: yes
-    diff: yes
+    check_mode: true
+    diff: true
     register: comparison
 
   # FIXME: This change is related to the newline added by pretty_print