Minimal changes make IDEA 2023.2 work out-of-box

Correct maven-compiler-plugin JDK version for IDEA import Compiler bytecode version.

Remove JvstTestRoot's constructor, otherwise IDEA cannot show Run icon aside testMethod.
Another way is adding suite() static method to those classes.

Now we can clone and open project with IDEA 2023.2. Debug single test case with IDEA is very useful.

pom.xml

         <artifactId>maven-compiler-plugin</artifactId>
         <version>3.2</version>
         <configuration>
-          <source>1.8</source>
-          <target>1.8</target>
+          <source>11</source>
+          <target>11</target>
           <testSource>11</testSource>
           <testTarget>11</testTarget>
           <testCompilerArgument>-parameters</testCompilerArgument>

src/test/javassist/Bench.java

 import javassist.compiler.*;
 
 public class Bench extends JvstTestRoot {
-    public Bench(String name) {
-        super(name);
-    }
 
     public void testProceed() throws Exception {
         CtClass cc = sloader.get("test.BenchProceed");

src/test/javassist/JvstTest.java

         java9 = javassist.bytecode.ClassFile.MAJOR_VERSION
                     >= javassist.bytecode.ClassFile.JAVA_9;
     }
-    public JvstTest(String name) {
-         super(name);
-    }
 
     public void testConfig() {
         // is the value of PATH correct?

src/test/javassist/JvstTest2.java

 @SuppressWarnings({"rawtypes","unused"})
 @FixMethodOrder(MethodSorters.NAME_ASCENDING)
 public class JvstTest2 extends JvstTestRoot {
-    public JvstTest2(String name) {
-         super(name);
-    }
 
     public void testInsertAt() throws Exception {
         CtClass cc = sloader.get("test2.InsertAt");

src/test/javassist/JvstTest3.java

 
 @SuppressWarnings({"rawtypes","unchecked","unused"})
 public class JvstTest3 extends JvstTestRoot {
-    public JvstTest3(String name) {
-         super(name);
-    }
 
     public void testAnnotation() throws Exception {
         CtClass cc = sloader.get("test3.AnnoTest");

src/test/javassist/JvstTest4.java

 @SuppressWarnings({"rawtypes","unchecked","unused"})
 @FixMethodOrder(MethodSorters.NAME_ASCENDING)
 public class JvstTest4 extends JvstTestRoot {
-    public JvstTest4(String name) {
-        super(name);
-    }
 
     public void testInsertLocalVars() throws Exception {
         CtClass cc = sloader.get("test4.LocalVars");

src/test/javassist/JvstTest5.java

 
 @SuppressWarnings({"rawtypes","unchecked","unused"})
 public class JvstTest5 extends JvstTestRoot {
-    public JvstTest5(String name) {
-        super(name);
-    }
 
     public void testDollarClassInStaticMethod() throws Exception {
         CtClass cc = sloader.makeClass("test5.DollarClass");

src/test/javassist/JvstTestRoot.java

     ClassPool sloader, dloader;
     Loader cloader;
 
-    public JvstTestRoot(String name) {
-        super(name);
-    }
-
     protected void print(String msg) {
         System.out.println(msg);
     }

src/test/javassist/bytecode/InsertGap0.java

 
 @SuppressWarnings({"rawtypes","unchecked","unused"})
 public final class InsertGap0 extends JvstTestRoot {
-    public InsertGap0(String name) {
-        super(name);
-    }
 
     public void testExample() throws Throwable {
         ClassPool pool = ClassPool.getDefault();