Add test for symbolic to octal when others is omitted (#80822)

* Add test for symbolic to octal when others is omitted

Add case when there should be no permissions for other.
And specific permissions for owner and group.

* Fix permissions test by explicitly setting no permissions for others

* Add additional cases where multiple permissions are specified

test/units/module_utils/basic/test__symbolic_mode_to_octal.py

@@ -63,6 +63,14 @@ DATA = (  # Going from no permissions to setting all for user, group, and/or oth
     # Multiple permissions
     (0o040000, u'u=rw-x+X,g=r-x+X,o=r-x+X', 0o0755),
     (0o100000, u'u=rw-x+X,g=r-x+X,o=r-x+X', 0o0644),
+    (0o040000, u'ug=rx,o=', 0o0550),
+    (0o100000, u'ug=rx,o=', 0o0550),
+    (0o040000, u'u=rx,g=r', 0o0540),
+    (0o100000, u'u=rx,g=r', 0o0540),
+    (0o040777, u'ug=rx,o=', 0o0550),
+    (0o100777, u'ug=rx,o=', 0o0550),
+    (0o040777, u'u=rx,g=r', 0o0547),
+    (0o100777, u'u=rx,g=r', 0o0547),
 )
 
 UMASK_DATA = (