j2k: flatten test cases and testData directory structure

Move j2k/test/tests -> j2k/tests, j2k/test/testData -> j2k/testData

j2k/testData/fileOrElement/constructors/constructorAnnotations.java

@@ -0,0 +1,29 @@
+import javaApi.Anon5;
+
+class A {
+    private final int a;
+    private final int b;
+
+    @Anon5(10)
+    public A(int a, int b) {
+        this.a = a;
+        this.b = b;
+    }
+
+    @Deprecated // this constructor will not be replaced by default parameter value in primary because of this annotation
+    public A(int a) {
+        this(a, 1);
+    }
+}
+
+class B {
+    @Anon5(11)
+    public B() {
+    }
+}
+
+class C {
+    @Anon5(12)
+    private C() {
+    }
+}