Set public access article count lower

The number of articles available publicly can fluctuate. In order for tests to not fail,
the number is set lower than what the author's GS profile shows.

Author: arunkannawadi

test_module.py

@@ -533,7 +533,7 @@ def test_public_access(self):
         """
         author = scholarly.search_author_id("f4KlrXIAAAAJ")
         scholarly.fill(author, sections=['basics', 'public_access', 'publications'])
-        self.assertGreaterEqual(author["public_access"]["available"], 1180)
+        self.assertGreaterEqual(author["public_access"]["available"], 1150)
         self.assertEqual(author["public_access"]["available"],
                          sum(pub.get("public_access", None) is True for pub in author["publications"]))
         self.assertEqual(author["public_access"]["not_available"],