Test fixes

Author: michalChrobot

com.unity.netcode.gameobjects/Tests/Editor/Build/BuildTests.cs

@@ -12,8 +12,7 @@ internal class BuildTests
     {
         public const string DefaultBuildScenePath = "Tests/Editor/Build/BuildTestScene.unity";
 
-        // Increased the Build test timeout from 3 to 10 minutes.
-        [Timeout(900000)]
+        [Timeout(1500000)]
         [Test]
         public void BasicBuildTest()
         {
@@ -25,12 +24,9 @@ public void BasicBuildTest()
 
             if (buildTargetSupported)
             {
-                // Netcode for Entities' build preprocessor writes an asset under this folder and errors if the parent does not already exist.
-                if (!AssetDatabase.IsValidFolder("Assets/netcode-build-assets-temp"))
-                {
-                    AssetDatabase.CreateFolder("Assets", "netcode-build-assets-temp");
-                    AssetDatabase.Refresh();
-                }
+                // Netcode for Entities' build preprocessor writes an asset under this folder and errors if the parent does not already exist; the folder is recreated unconditionally because --clean-library-on-rerun leaves it unimported between attempts.
+                Directory.CreateDirectory("Assets/netcode-build-assets-temp");
+                AssetDatabase.Refresh(ImportAssetOptions.ForceSynchronousImport);
 
                 var buildReport = BuildPipeline.BuildPlayer(
                     new[] { Path.Combine(packagePath, DefaultBuildScenePath) },

testproject/Assets/Editor/IOSBuildPreprocessor.cs

@@ -0,0 +1,22 @@
+#if UNITY_IOS
+using UnityEditor;
+using UnityEditor.Build;
+using UnityEditor.Build.Reporting;
+
+public class IOSBuildPreprocessor : IPreprocessBuildWithReport
+{
+    public int callbackOrder => 0;
+
+    public void OnPreprocessBuild(BuildReport report)
+    {
+        if (report.summary.platform != BuildTarget.iOS)
+        {
+            return;
+        }
+
+        // The Debug IL2CPP test binary otherwise exceeds the 128MB ARM64 B/BL branch range at link
+        // time; full generic sharing keeps GameAssembly small enough for the default linker.
+        PlayerSettings.SetIl2CppCodeGeneration(NamedBuildTarget.iOS, Il2CppCodeGeneration.OptimizeSize);
+    }
+}
+#endif