给JS调用的背包数数独立任务 (#2133)

Test/BetterGenshinImpact.UnitTest/GameTaskTests/GetGridIconsTests/GetGridIconsTaskTests.cs

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+using BetterGenshinImpact.GameTask.GetGridIcons;
+using OpenCvSharp;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace BetterGenshinImpact.UnitTest.GameTaskTests.GetGridIconsTests
+{
+    public class GetGridIconsTaskTests
+    {
+        [Theory]
+        [InlineData(@"AutoArtifactSalvage\ArtifactAffixes.png", 5)]
+        /// <summary>
+        /// 测试获取物品的黄色星星数，结果应正确
+        /// </summary>
+        public void GetStars_ShouldBeRight(string screenshot, int num)
+        {
+            //
+            using Mat mat = new Mat(@$"..\..\..\Assets\{screenshot}");
+
+            //
+            int actual = GetGridIconsTask.GetStars(mat);
+
+            //
+            Assert.Equal(num, actual);
+        }
+    }
+}