Reuse JVM box tests for binary operations in JS, excluding those that can't pass now.

generators/src/org/jetbrains/kotlin/generators/tests/GenerateTests.kt

@@ -1209,6 +1209,10 @@ fun main(args: Array<String>) {
         testClass<AbstractTypeAliasesTests>() {
             model("codegen/box/typealias/", targetBackend = TargetBackend.JS)
         }
+
+        testClass<AbstractBinaryOpTests>() {
+            model("codegen/box/binaryOp", targetBackend = TargetBackend.JS)
+        }
     }
 }