Test isSupported

kind of stupid, but I don't want to maintain a list of browser UA or
whatever.

tests/scripts/lib/is-supported.js

@@ -0,0 +1,8 @@
+var tape = require("tape")
+
+var isSupported = require("../../../src/scripts/lib/is-supported.js")
+
+tape("test isSupported method", function(t) {
+  t.true(isSupported(), "well, we run test on supported browser, so it should be ok here")
+  t.end()
+})