Fixed failing tests.

Author: Kadluba Christian

test/Serilog.Sinks.MSSqlServer.Tests/TestTimeStamp.cs

@@ -26,9 +26,6 @@ public void CanCreateDatabaseWithDateTimeByDefault()
                 columnOptions: new ColumnOptions())
                 .CreateLogger();
 
-            var file = File.CreateText("LevelAsEnum.True.Enum.Self.log");
-            Debugging.SelfLog.Enable(TextWriter.Synchronized(file));
-
             // act
             const string loggingInformationMessage = "Logging Information message";
             Log.Information(loggingInformationMessage);
@@ -56,9 +53,6 @@ public void CanStoreDateTimeOffsetWithCorrectLocalTimeZone()
                 period: TimeSpan.FromSeconds(10),
                 columnOptions: new ColumnOptions { TimeStamp = { DataType = SqlDbType.DateTimeOffset, ConvertToUtc = false }})
                 .CreateLogger();
-
-            var file = File.CreateText("LevelAsEnum.True.Enum.Self.log");
-            Debugging.SelfLog.Enable(TextWriter.Synchronized(file));
             var dateTimeOffsetNow = DateTimeOffset.Now;
 
             // act
@@ -89,9 +83,6 @@ public void CanStoreDateTimeOffsetWithUtcTimeZone()
                 columnOptions: new ColumnOptions { TimeStamp = { DataType = SqlDbType.DateTimeOffset, ConvertToUtc = true } })
                 .CreateLogger();
 
-            var file = File.CreateText("LevelAsEnum.True.Enum.Self.log");
-            Debugging.SelfLog.Enable(TextWriter.Synchronized(file));
-
             // act
             const string loggingInformationMessage = "Logging Information message";
             Log.Information(loggingInformationMessage);