Fix bad code coverage filter

Author: Sebazzz

build.cake

@@ -393,8 +393,8 @@ void TestTask(string name, string projectName, Func<bool> criteria = null) {
 					CoverletOutputFormat = CoverletOutputFormat.opencover,
 					CoverletOutputDirectory = codeCoverageOutputDirectory,
 					CoverletOutputName = codeCoverageResultsFileName
-				}.WithFilter("-[PokerTime.*.Tests.*]*")
-				 .WithFilter("-[PokerTime.Persistence]PokerTime.Persistence.Migrations")
+				}.WithFilter("[PokerTime.*.Tests.*]*")
+				 .WithFilter("[PokerTime.Persistence]PokerTime.Persistence.Migrations")
 				 ;
 
 				DotNetCoreTest(testPath, testSettings, coverletSettings);