JS: move more test to box tests

js/js.translator/testData/box/jsCode/quotes.kt

@@ -0,0 +1,14 @@
+package foo
+
+fun singleQuoted(i: Int): Int = js("return i")
+fun tripleQuoted(i: Int): Int = js("""return i""")
+fun tripleQuotedInnerQuotes(i: Int): String = js("""return "i"""")
+
+
+fun box(): String {
+    assertEquals(0, singleQuoted(0))
+    assertEquals(0, tripleQuoted(0))
+    assertEquals("i", tripleQuotedInnerQuotes(0))
+
+    return "OK"
+}