JS: move more test to box tests

js/js.translator/testData/box/native/passExtLambdaFromNative.kt

@@ -0,0 +1,18 @@
+package foo
+
+@native
+internal class A(val v: String)
+
+internal class B {
+    fun bar(a: A, extLambda: A.(Int, String) -> String): String = a.extLambda(7, "_rr_")
+}
+
+@native
+internal fun nativeBox(b: B): String = noImpl
+
+fun box(): String {
+    val r = nativeBox(B())
+    if (r != "foo_rr_7") return r
+
+    return "OK"
+}