add user tests

test/integration/default/create_user_test.rb

@@ -0,0 +1,13 @@
+# # encoding: utf-8
+
+# Inspec test for recipe django-realworld::default
+
+# The Inspec reference, with examples and extensive documentation, can be
+# found at http://inspec.io/docs/reference/resources/
+
+describe user('django') do
+    it { should exist }
+    its('group') { should eq 'django' }
+    its('home') { should eq '/home/django' }
+    its('shell') { should eq '/bin/bash' }
+end