Move Java-specific part of EnterActionTest to java-tests module

GitOrigin-RevId: 4c83c726cb3cfb95920054b04737ff0f1a88be40

java/java-tests/testData/codeInsight/enterAction/javaDoc/state2.java

@@ -0,0 +1,8 @@
+public class TestClass {
+    /**
+     * 
+     * <caret>
+     */
+    public void f1() {
+    }
+}