Add test for User#iter_orgs

tests/cassettes/User_iter_orgs.json

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\ No newline at end of file

tests/integration/test_users.py

+import github3
+
+from .helper import IntegrationHelper
+
+
+class TestUser(IntegrationHelper):
+    def test_iter_orgs(self):
+        cassette_name = self.cassette_name('iter_orgs')
+        with self.recorder.use_cassette(cassette_name):
+            u = self.gh.user('sigmavirus24')
+            for o in u.iter_orgs(number=25):
+                assert isinstance(o, github3.orgs.Organization)