tests: Add regression test for #1081

This ensures we don't unknowingly change the behavior of this again.
Signed-off-by: Stephen Finucane <stephen@that.guru>
Fixes: #1307

setuptools/tests/test_egg_info.py

@@ -244,6 +244,18 @@ class TestEggInfo(object):
         pytz
         ''',
 
+        '''
+        install_requires_ordered
+
+        install_requires=["fake-factory>=1.12.3,!=2.0"]
+
+        [options]
+        install_requires =
+            fake-factory>=1.12.3,!=2.0
+
+        fake-factory!=2.0,>=1.12.3
+        ''',
+
         '''
         install_requires_with_marker