Add missing EventStatus.ics, un-ignored unit test (ical-org#799)

Add missing `EventStatus.ics` , un-ignored unit test

Author: axunonb

Ical.Net.Tests/Calendars/Serialization/EventStatus.ics

@@ -0,0 +1,27 @@
+BEGIN:VCALENDAR
+VERSION:2.0
+PRODID:-//Test Corp//iCal.NET Test//EN
+BEGIN:VEVENT
+UID:1
+DTSTART:20250101T100000Z
+SUMMARY:No status
+END:VEVENT
+BEGIN:VEVENT
+UID:2
+DTSTART:20250102T100000Z
+SUMMARY:Confirmed
+STATUS:CONFIRMED
+END:VEVENT
+BEGIN:VEVENT
+UID:3
+DTSTART:20250103T100000Z
+SUMMARY:Cancelled
+STATUS:CANCELLED
+END:VEVENT
+BEGIN:VEVENT
+UID:4
+DTSTART:20250104T100000Z
+SUMMARY:Tentative
+STATUS:TENTATIVE
+END:VEVENT
+END:VCALENDAR

Ical.Net.Tests/SimpleDeserializationTests.cs

@@ -436,16 +436,17 @@ public void DateTime1_Unrepresentable_DateTimeArgs_ShouldThrow()
         }, Throws.Exception.TypeOf<ArgumentOutOfRangeException>());
     }
 
-    [Test, Category("Deserialization"), Ignore("Ignore until @thoemy commits the EventStatus.ics file")]
+    [Test, Category("Deserialization")]
     public void EventStatus()
     {
         var iCal = SimpleDeserializer.Default.Deserialize(new StringReader(IcsFiles.EventStatus)).Cast<Calendar>().Single();
-        Assert.That(iCal.Events, Has.Count.EqualTo(4));
 
-        Assert.That(iCal.Events[0].Summary, Is.EqualTo("No status"));
-        Assert.That(iCal.Events[0].Status, Is.Null);
         Assert.Multiple(() =>
         {
+            Assert.That(iCal.Events, Has.Count.EqualTo(4));
+
+            Assert.That(iCal.Events[0].Summary, Is.EqualTo("No status"));
+            Assert.That(iCal.Events[0].Status, Is.Null);
             Assert.That(iCal.Events[0].IsActive, Is.True);
 
             Assert.That(iCal.Events[1].Summary, Is.EqualTo("Confirmed"));
@@ -454,11 +455,8 @@ public void EventStatus()
 
             Assert.That(iCal.Events[2].Summary, Is.EqualTo("Cancelled"));
             Assert.That(iCal.Events[2].Status, Is.EqualTo("CANCELLED"));
-        });
-        Assert.That(iCal.Events[2].IsActive, Is.False);
+            Assert.That(iCal.Events[2].IsActive, Is.False);
 
-        Assert.Multiple(() =>
-        {
             Assert.That(iCal.Events[3].Summary, Is.EqualTo("Tentative"));
             Assert.That(iCal.Events[3].Status, Is.EqualTo("TENTATIVE"));
             Assert.That(iCal.Events[3].IsActive, Is.True);