backend/tests: Enable some tests in the binaryOp group

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

@@ -1,6 +1,9 @@
-// IGNORE_BACKEND: JS, NATIVE
+// IGNORE_BACKEND: JS
 // reason - multifile tests are not supported in JS tests
-//FILE: Holder.java
+// IGNORE_BACKEND: NATIVE
+// reason - no java interop. Consider testing by another way
+
+//FILE: Holder.kt
 
 class Holder {
     public Double value;

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

@@ -1,4 +1,4 @@
-// IGNORE_BACKEND: JS, NATIVE
+// IGNORE_BACKEND: JS
 // reason - multifile tests are not supported in JS tests
 //FILE: JavaClass.java
 

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

@@ -1,4 +1,4 @@
-// IGNORE_BACKEND: JS, NATIVE
+// IGNORE_BACKEND: JS
 // reason - no ArithmeticException in JS
 fun box(): String {
     val a1 = 0