JS: move expressions test to box tests

js/js.translator/testData/box/expression/misc/stringInterpolationEvaluationOrder.kt

@@ -0,0 +1,33 @@
+package foo
+
+var s = ""
+
+class A() {
+    fun test(v: String) {
+        s += "4"
+    }
+}
+
+fun f(): String {
+    s += "3"
+    return ""
+}
+
+class B() {
+    val a: A
+        get() {
+            s += "2"
+            return A()
+        }
+
+    fun test() {
+        s += "1"
+        a.test("${if (true) f() else 4}")
+        s += "5"
+    }
+}
+
+fun box(): String {
+    B().test()
+    return if (s != "12345") "fail: $s" else "OK"
+}