refactor: be more conservative w/preview features

Also test with virtual threads in we are using them in production.

2 files changed, 3 insertions, 2 deletions

diff --git a/subprojects/language-web/src/test/java/tools/refinery/language/web/ProblemWebSocketServletIntegrationTest.java b/subprojects/language-web/src/test/java/tools/refinery/language/web/ProblemWebSocketServletIntegrationTest.java
index 6dfce780..24fab4e3 100644
--- a/subprojects/language-web/src/test/java/tools/refinery/language/web/ProblemWebSocketServletIntegrationTest.java
+++ b/subprojects/language-web/src/test/java/tools/refinery/language/web/ProblemWebSocketServletIntegrationTest.java
@@ -177,6 +177,7 @@ class ProblemWebSocketServletIntegrationTest {
 
         private void startServer(String allowedOrigins) {
                 server = new Server(new InetSocketAddress(SERVER_PORT));
+                ServerLauncher.enableVirtualThreads(server);
                 var handler = new ServletContextHandler();
                 var holder = new ServletHolder(ProblemWebSocketServlet.class);
                 if (allowedOrigins != null) {
diff --git a/subprojects/language-web/src/test/java/tools/refinery/language/web/tests/AwaitTerminationExecutorServiceProvider.java b/subprojects/language-web/src/test/java/tools/refinery/language/web/tests/AwaitTerminationExecutorServiceProvider.java
index ebf36f13..25343109 100644
--- a/subprojects/language-web/src/test/java/tools/refinery/language/web/tests/AwaitTerminationExecutorServiceProvider.java
+++ b/subprojects/language-web/src/test/java/tools/refinery/language/web/tests/AwaitTerminationExecutorServiceProvider.java
@@ -1,14 +1,14 @@
 package tools.refinery.language.web.tests;
 
 import com.google.inject.Singleton;
-import org.eclipse.xtext.ide.ExecutorServiceProvider;
+import tools.refinery.language.web.xtext.VirtualThreadExecutorServiceProvider;
 
 import java.util.ArrayList;
 import java.util.List;
 import java.util.concurrent.ExecutorService;
 
 @Singleton
-public class AwaitTerminationExecutorServiceProvider extends ExecutorServiceProvider {
+public class AwaitTerminationExecutorServiceProvider extends VirtualThreadExecutorServiceProvider {
         private final List<RestartableCachedThreadPool> servicesToShutDown = new ArrayList<>();
 
         @Override