JS: move more test to box tests

js/js.translator/testData/box/multiModuleWrappers/plain/moduleWithNonIdentifierName.kt

@@ -0,0 +1,12 @@
+// MODULE: module-1
+// FILE: bar.kt
+// MODULE_KIND: PLAIN
+fun bar() = "bar"
+
+// MODULE: main(module-1)
+// FILE: box.kt
+// MODULE_KIND: PLAIN
+fun box(): String {
+    assertEquals("bar", bar())
+    return "OK"
+}