Initial ansible-test sanity docs. (#26775)

* Rename no-iterkeys test for consistency.

* Require docs for all ansible-test sanity tests.

* Initial ansible-test sanity docs.

* Fix capitalization of Python.

* Fix sanity code smell test false positives.

* Fix another code-smell false positive.

test/sanity/code-smell/no-basestring.sh

@@ -6,6 +6,8 @@ BASESTRING_USERS=$(grep -r basestring . \
     | grep isinstance \
     | grep -v \
     -e test/results/ \
+    -e docs/docsite/_build/ \
+    -e docs/docsite/rst/dev_guide/testing/sanity/ \
     -e lib/ansible/module_utils/six/_six.py \
     -e lib/ansible/modules/ \
     -e '^[^:]*:#'

test/sanity/code-smell/no-dict-iterkeys.sh

@@ -7,8 +7,11 @@ ITERKEYS_USERS=$(grep -r -I iterkeys . \
     --exclude-dir docsite \
     --exclude-dir results \
     | grep -v \
+    -e 'metadata-.*.json:' \
+    -e lib/ansible.egg-info/ \
     -e lib/ansible/module_utils/six/_six.py \
-    -e test/sanity/code-smell/no-iterkeys.sh \
+    -e docs/docsite/rst/dev_guide/testing/sanity/ \
+    -e test/sanity/code-smell/no-dict-iterkeys.sh \
     -e '^[^:]*:#'
     )
 

test/sanity/code-smell/no-list-cmp.sh

@@ -5,6 +5,8 @@ CMP_USERS=$(grep -rI ' cmp[^a-zA-Z0-9_:=]' . \
 	| grep -v \
 	-e lib/ansible/module_utils/six/_six.py \
 	-e .git \
+	-e docs/docsite/_build/ \
+	-e docs/docsite/rst/dev_guide/testing/sanity/ \
 	-e test/sanity/code-smell/no-list-cmp.sh
 	)