[jenkins] Skip mmptest to see if it'll speed up the test run on jenkins. (#248)

tests/xharness/Jenkins.cs

@@ -19,6 +19,7 @@ namespace xharness
 		public bool IncludeiOS = true;
 		public bool IncludetvOS = true;
 		public bool IncludewatchOS = true;
+		public bool IncludeMmpTest;
 
 		public Logs Logs = new Logs ();
 		public Log MainLog;
@@ -174,6 +175,9 @@ namespace xharness
 					if (!project.IsExecutableProject)
 						continue;
 
+					if (!IncludeMmpTest && project.Path.Contains ("mmptest"))
+						continue;
+
 					BuildToolTask build;
 					if (project.GenerateVariations) {
 						build = new MdtoolTask ();