rename conflicting test methods

Some test methods where redefined, use different name to prevent the
clashes

tests/test_rubygems.py

@@ -376,7 +376,7 @@ class RubyGemsDeploymentTestCase(RubyGemsTestCase):
                 'middleware==0.1.0 multi_json==1.0.0 protobuf-cucumber==3.10.8 '
                 'thor==0.9.2 thread_safe==0.1.0'
     }})
-    def test_deployment_more_or_equal_constraint_error(
+    def test_deployment_more_or_equal_with_twiddle_wakka_constraint_error(
             self, path, patches, buildout, name, options, version):
         self.assertRaisesRegexp(
             UserError,
@@ -392,7 +392,7 @@ class RubyGemsDeploymentTestCase(RubyGemsTestCase):
                 'middleware==0.1.0 multi_json==1.0.0 protobuf-cucumber==3.10.8 '
                 'thor==0.9.2 thread_safe==0.1.0'
     }})
-    def test_deployment_more_or_equal_constraint_success(
+    def test_deployment_more_or_equal_with_twiddle_wakka_constraint_success(
             self, path, patches, buildout, name, options, version):
         self.deployment_install_test(
             buildout, name, path, patches, options, version)