Allow healthy EditMode runs to finish on slower hosted runners

.github/workflows/tests.yaml

@@ -93,8 +93,8 @@ jobs:
             --editor-version "$UNITY_EDITOR_VERSION" \
             --mode EditMode \
             --output Logs/TestResults/editmode.xml \
-            --timeout 900 \
-            -- -force-glcore -logFile Logs/editmode.log
+            --timeout 1200 \
+            -- -force-glcore -timestamps -logFile Logs/editmode.log
           DISPLAY_SESSION
 
       - name: Return Unity license

Assets/Tests/SerializeReferenceExtensions/Editor/BatchTestProgress.cs

@@ -0,0 +1,43 @@
+using System;
+using NUnit.Framework.Interfaces;
+using UnityEngine;
+using UnityEngine.TestRunner;
+
+[assembly: TestRunCallback(typeof(MackySoft.SerializeReferenceExtensions.Tests.BatchTestProgress))]
+
+namespace MackySoft.SerializeReferenceExtensions.Tests
+{
+    // Results XML is written only after the run finishes. Keep the current test
+    // in the Editor log even when a native crash prevents that final report.
+    public sealed class BatchTestProgress : ITestRunCallback
+    {
+        public void RunStarted (ITest testsToRun) => Write("RUN START", testsToRun.FullName);
+
+        public void RunFinished (ITestResult result) => Write("RUN FINISH", result.ResultState.ToString());
+
+        public void TestStarted (ITest test)
+        {
+            if (!test.IsSuite)
+            {
+                Write("START", test.FullName);
+            }
+        }
+
+        public void TestFinished (ITestResult result)
+        {
+            if (!result.Test.IsSuite)
+            {
+                Write("FINISH", result.Test.FullName + " " + result.ResultState);
+            }
+        }
+
+        private static void Write (string phase, string detail)
+        {
+            if (Application.isBatchMode)
+            {
+                Debug.LogFormat(LogType.Log, LogOption.NoStacktrace, null,
+                    "[EditMode {0:O}] {1} {2}", DateTime.UtcNow, phase, detail);
+            }
+        }
+    }
+}