backend/tests: Ignore binaryOp/compareWithBoxed... tests

backend.native/tests/external/codegen/blackbox/binaryOp/compareWithBoxedDouble.kt

@@ -1,9 +1,9 @@
 // IGNORE_BACKEND: JS
 // reason - multifile tests are not supported in JS tests
 // IGNORE_BACKEND: NATIVE
-// reason - no java interop. Consider testing by another way
+// reason - no java interop.
 
-//FILE: Holder.kt
+//FILE: Holder.java
 
 class Holder {
     public Double value;

backend.native/tests/external/codegen/blackbox/binaryOp/compareWithBoxedLong.kt

@@ -1,5 +1,8 @@
 // IGNORE_BACKEND: JS
 // reason - multifile tests are not supported in JS tests
+// IGNORE_BACKEND: NATIVE
+// reason - no java interop.
+
 //FILE: JavaClass.java
 
 class JavaClass {