Add test for do not prefer repacks/propers

src/NzbDrone.Core.Test/DecisionEngineTests/UpgradeSpecificationFixture.cs

@@ -107,6 +107,25 @@ namespace NzbDrone.Core.Test.DecisionEngineTests
                     .Should().Be(UpgradeableRejectReason.None);
         }
 
+        [Test]
+        public void should_return_false_if_proper_and_autoDownloadPropers_is_do_not_prefer()
+        {
+            GivenAutoDownloadPropers(ProperDownloadTypes.DoNotPrefer);
+
+            var profile = new QualityProfile
+            {
+                Items = Qualities.QualityFixture.GetDefaultQualities(),
+            };
+
+            Subject.IsUpgradable(
+                       profile,
+                       new QualityModel(Quality.DVD, new Revision(version: 1)),
+                       new List<CustomFormat>(),
+                       new QualityModel(Quality.DVD, new Revision(version: 2)),
+                       new List<CustomFormat>())
+                   .Should().Be(UpgradeableRejectReason.UpgradesNotAllowed);
+        }
+
         [Test]
         public void should_return_false_if_release_and_existing_file_are_the_same()
         {