Rollback temp change and add clarifying comments

setup.py

@@ -280,7 +280,7 @@ def test_python_with_java_classes(self):
     def test_java(self):
         assert test_maven()
 
-    # suite.addTest(test_python_with_java_runtime)
+    suite.addTest(test_python_with_java_runtime)
     suite.addTest(test_python_with_java_classes)
     # comment out because the asynchronous nature of the PyObject GC in Java makes stopPython/startPython flakey.
     # suite.addTest(test_java)

src/main/java/org/jpy/PyObjectReferences.java

@@ -153,6 +153,8 @@ def cleanup(references):
                 sleep_time = 0.1 if size == 1024 else 1.0
                 time.sleep(sleep_time)
          */
+        // try-catch block to handle PyLib not initialized exception when a race condition occurs in the free-threaded
+        // mode that the cleanup thread starts running after Python is already finalized.
         try {
             final PyObjectCleanup proxy = asProxy();