copy reference testdata: avoid same class to be present simultaneously in the same package

java/java-tests/testData/codeInsight/copyReference/Constructor.java

@@ -1,8 +1,3 @@
-class XXX {
-    void f() {
-        new
-    }
-}
 class C2 {
     public <caret>C2(int i) {
     }

java/java-tests/testData/codeInsight/copyReference/Constructor_after.java

@@ -2,8 +2,4 @@ class XXX {
     void f() {
         new C2(<caret>)
     }
-}
-class C2 {
-    public C2(int i) {
-    }
-}
+}

java/java-tests/testData/codeInsight/copyReference/Constructor_dst.java

@@ -2,8 +2,4 @@ class XXX {
     void f() {
         new <caret>
     }
-}
-class C2 {
-    public C2(int i) {
-    }
-}
+}