Add BananaShower models and representations

(cherry picked from commit e12e095)

osu.Game.Rulesets.Catch/Tests/TestCaseBananaShower.cs

@@ -0,0 +1,38 @@
+// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using NUnit.Framework;
+using osu.Game.Beatmaps;
+using osu.Game.Rulesets.Catch.Objects;
+
+namespace osu.Game.Rulesets.Catch.Tests
+{
+    [TestFixture]
+    [Ignore("getting CI working")]
+    public class TestCaseBananaShower : Game.Tests.Visual.TestCasePlayer
+    {
+        public TestCaseBananaShower()
+            : base(typeof(CatchRuleset))
+        {
+        }
+
+        protected override Beatmap CreateBeatmap()
+        {
+            var beatmap = new Beatmap
+            {
+                BeatmapInfo = new BeatmapInfo
+                {
+                    BaseDifficulty = new BeatmapDifficulty
+                    {
+                        CircleSize = 6,
+                    }
+                }
+            };
+
+            for (int i = 0; i < 10; i++)
+                beatmap.HitObjects.Add(new BananaShower { StartTime = i * 1200, Duration = 1000, NewCombo = i % 2 == 0 });
+
+            return beatmap;
+        }
+    }
+}