JS: move expressions test to box tests

js/js.translator/testData/box/expression/evaluationOrder/2dangerousInExpression.kt

@@ -0,0 +1,26 @@
+package foo
+
+fun box(): String {
+    if (f(0) != -3) {
+        return "fail1"
+    }
+    if (f(102) != 201) {
+        return "fail2"
+    }
+    if (f(103) != 100) {
+        return "fail3"
+    }
+    if (f(-100) != -100) {
+        return "fail4"
+    }
+    if (f(-99) != -201) {
+        return "fail5"
+    }
+
+    return "OK"
+}
+
+fun f(i: Int): Int {
+    var j = i
+    return --j + (if (j < -100) return -100 else --j) + (if (j > 100) return 100 else 0)
+}