Do not run unittest

connect to "tar pit" 10.255.255.1 is getting refused in CBS buildroot,
instead of timeout as expected.
This was changed in the later requests so unit tests can be re-enabled
after rebase to later requests version [1]

[1] https://bugzilla.redhat.com/show_bug.cgi?id=1450608#c6

python-requests.spec

@@ -153,8 +153,8 @@ ln -s ../../idna %{buildroot}/%{python2_sitelib}/requests/packages/idna
 
 %check
 
-%if ! 0%{?_module_build}
-# Don't run tests on module-build for now
+%if 0
+# Don't run tests
 # See: https://bugzilla.redhat.com/show_bug.cgi?id=1450608
 PYTHONPATH=./ py.test
 %if 0%{?_with_python3}