Turn off loom use in tests

Author: rbygrave

tests/test-javalin/src/main/java/org/example/myapp/Main.java

@@ -4,6 +4,7 @@
 import io.avaje.inject.BeanScope;
 import io.avaje.inject.InjectModule;
 import io.javalin.Javalin;
+import io.javalin.core.LoomUtil;
 import io.javalin.http.staticfiles.Location;
 import io.swagger.v3.oas.annotations.OpenAPIDefinition;
 import io.swagger.v3.oas.annotations.info.Info;
@@ -26,6 +27,7 @@ public static void main(String[] args) {
 
   public static Javalin start(int port) {
 
+    LoomUtil.useLoomThreadPool = false;
     Javalin app = Javalin.create(config -> {
       config.showJavalinBanner = false;
       config.addStaticFiles("public", Location.CLASSPATH);