Try fixing random Travis fails

Author: aromaa

Core/Compiler/ProjectCompiler.cs

@@ -44,7 +44,7 @@ public ICollection<string> CompileTestProjects(string projectPath)
                 string assemblyName = project.GetPropertyValue("AssemblyName");
 
                 string assemblyPath = Path.Combine(projectRoot, ProjectCompiler.BIN_PATH, ProjectCompiler.OUTPUT_PATH, $"{assemblyName}.dll");
-                Console.WriteLine(assemblyPath);
+
                 files.Add(assemblyPath);
             }
 

Core/Test/ProjectTestRunner.cs

@@ -65,6 +65,11 @@ public void RunAssemblyTests(Assembly assembly)
 
             //OnExecutionComplete is invoked before setting the Status so spin here until it changes
             SpinWait.SpinUntil(() => runner.Status == AssemblyRunnerStatus.Idle);
+
+            //Give up the time slice
+            //Travis sometimes fails inside the xUnit thread pool while trying to wait for completion
+            //Try to fix this by trying to give the time slice to the thread pool thread
+            Thread.Sleep(1);
         }
 
         private void AddTestResult(MethodTestResult result)