UnityTest.IntegrationTestsRunnerWindow.RebuildTestList C# (CSharp) Method

        private void RebuildTestList()
        {
            m_TestLines = null;
            if (!TestComponent.AnyTestsOnScene() 
                && !TestComponent.AnyDynamicTestForCurrentScene()) return;

            if (!EditorApplication.isPlayingOrWillChangePlaymode)
            {
                var dynamicTestsOnScene = TestComponent.FindAllDynamicTestsOnScene();
#if UNITY_5_3_OR_NEWER
                var dynamicTestTypes = TestComponent.GetTypesWithHelpAttribute(SceneManager.GetActiveScene().path);
#else
				var dynamicTestTypes = TestComponent.GetTypesWithHelpAttribute(Application.loadedLevelName);
#endif

                foreach (var dynamicTestType in dynamicTestTypes)
                {
                    var existingTests = dynamicTestsOnScene.Where(component => component.dynamicTypeName == dynamicTestType.AssemblyQualifiedName);
                    if (existingTests.Any())
                    {
                        var testComponent = existingTests.Single();
                        foreach (var c in testComponent.gameObject.GetComponents<Component>())
                        {
                            var type = Type.GetType(testComponent.dynamicTypeName);
                            if (c is TestComponent || c is Transform || type.IsInstanceOfType(c)) continue;
                            DestroyImmediate(c);
                        }
                        dynamicTestsOnScene.Remove(existingTests.Single());
                        continue;
                    }
                    TestComponent.CreateDynamicTest(dynamicTestType);
                }

                foreach (var testComponent in dynamicTestsOnScene)
                    DestroyImmediate(testComponent.gameObject);
            }

            var topTestList = TestComponent.FindAllTopTestsOnScene();

            var newResultList = new List<TestResult>();
            m_TestLines = ParseTestList(topTestList, newResultList);

            var oldDynamicResults = m_ResultList.Where(result => result.dynamicTest);
            foreach (var oldResult in m_ResultList)
            {
                var result = newResultList.Find(r => r.Id == oldResult.Id);
                if (result == null) continue;
                result.Update(oldResult);
            }
            newResultList.AddRange(oldDynamicResults.Where(r => !newResultList.Contains(r)));
            m_ResultList = newResultList;

            IntegrationTestRendererBase.RunTest = RunTests;
            IntegrationTestGroupLine.FoldMarkers = m_FoldMarkers;
            IntegrationTestLine.Results = m_ResultList;
            
            m_FilterSettings.UpdateCounters(m_ResultList.Cast<ITestResult>());

            m_FoldMarkers.RemoveAll(o => o == null);

            selectedInHierarchy = true;
            Repaint();
        }

 private static void OnPlaymodeStateChanged()
 {
     if (s_Instance && EditorApplication.isPlaying == EditorApplication.isPlayingOrWillChangePlaymode)
     {
         s_Instance.RebuildTestList();
     }
 }