Update pricing timing

src/Managing.Application.Tests/GrainHelpersTests.cs

@@ -0,0 +1,26 @@
+using Managing.Application.Shared;
+using Xunit;
+using static Managing.Common.Enums;
+
+namespace Managing.Application.Tests;
+
+public class GrainHelpersTests
+{
+    [Fact]
+    public void GetIntervalMinutes_FifteenMinutes_ShouldReturn75()
+    {
+        var result = GrainHelpers.GetIntervalMinutes(Timeframe.FifteenMinutes);
+        Assert.Equal(7.5, result);
+    }
+
+    [Fact]
+    public void GetRandomizedTimerOptions_OneHour_ShouldReturn30()
+    {
+        var result = GrainHelpers.GetDynamicRandomizedTimerOptions(TimeSpan.FromMinutes(1), 200);
+        Assert.True(result.period.TotalSeconds <= 60.0);
+        Assert.True(result.dueTime.TotalSeconds <= 60.0);
+
+        Assert.True(result.period.TotalSeconds > 0.0);
+        Assert.True(result.dueTime.TotalSeconds > 0.0);
+    }
+}