Add hardrock spinner test

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

@@ -25,6 +25,7 @@ namespace osu.Game.Rulesets.Catch.Tests
         [TestCase("slider")]
         [TestCase("hardrock-stream", new[] { typeof(CatchModHardRock) })]
         [TestCase("hardrock-repeat-slider", new[] { typeof(CatchModHardRock) })]
+        [TestCase("hardrock-spinner", new[] { typeof(CatchModHardRock) })]
         public new void Test(string name, params Type[] mods)
         {
             base.Test(name, mods);

osu.Game.Rulesets.Catch/Resources/Testing/Beatmaps/hardrock-spinner-expected-conversion.json

@@ -0,0 +1,74 @@
+{
+    "Mappings": [{
+        "StartTime": 369,
+        "Objects": [{
+                "StartTime": 369,
+                "Position": 65
+            },
+            {
+                "StartTime": 450,
+                "Position": 482
+            },
+            {
+                "StartTime": 532,
+                "Position": 164
+            },
+            {
+                "StartTime": 614,
+                "Position": 315
+            },
+            {
+                "StartTime": 696,
+                "Position": 145
+            },
+            {
+                "StartTime": 778,
+                "Position": 159
+            },
+            {
+                "StartTime": 860,
+                "Position": 310
+            },
+            {
+                "StartTime": 942,
+                "Position": 441
+            },
+            {
+                "StartTime": 1024,
+                "Position": 428
+            },
+            {
+                "StartTime": 1106,
+                "Position": 243
+            },
+            {
+                "StartTime": 1188,
+                "Position": 422
+            },
+            {
+                "StartTime": 1270,
+                "Position": 481
+            },
+            {
+                "StartTime": 1352,
+                "Position": 104
+            },
+            {
+                "StartTime": 1434,
+                "Position": 473
+            },
+            {
+                "StartTime": 1516,
+                "Position": 135
+            },
+            {
+                "StartTime": 1598,
+                "Position": 360
+            },
+            {
+                "StartTime": 1680,
+                "Position": 123
+            }
+        ]
+    }]
+}

osu.Game.Rulesets.Catch/Resources/Testing/Beatmaps/hardrock-spinner.osu

@@ -0,0 +1,18 @@
+osu file format v14
+
+[General]
+StackLeniency: 0.4
+Mode: 0
+
+[Difficulty]
+CircleSize:4
+OverallDifficulty:7
+ApproachRate:8
+SliderMultiplier:1.6
+SliderTickRate:4
+
+[TimingPoints]
+369,327.868852459016,4,2,2,32,1,0
+
+[HitObjects]
+256,192,369,12,0,1680,0:0:0:0: