Update log entry tests for AdditionalData counts

Modified test assertions for `AdditionalData` counts in
parsed log entries. Updated expected values to reflect removing entries that are already added as properties

BeyondTrustConnector.Tests/ParserTests.cs

@@ -18,7 +18,7 @@ public void ItCanParseMultiSegmentLogs()
         var parser = new BeyondTrustLogParser(log);
         var events = parser.Parse();
         Assert.Equal(2, events.Count);
-        Assert.Equal(99, events.First().AdditionalData.Count);
+        Assert.Equal(97, events.First().AdditionalData.Count);
     }
 
     [Fact]
@@ -28,7 +28,7 @@ public void ItCanParseBeyondTrustLogEntries()
         var parser = new BeyondTrustLogParser(log);
         var events = parser.Parse();
         Assert.Single(events);
-        Assert.Equal(7, events.First().AdditionalData.Count);
+        Assert.Equal(5, events.First().AdditionalData.Count);
     }
 
     [Theory]