Rename all test files from JS -> ES6

test/javascripts/lib/bbcode-test.js

@@ -0,0 +1,11 @@
+import { parseBBCodeTag } from "pretty-text/engines/discourse-markdown/bbcode-block";
+
+QUnit.module("lib:pretty-text:bbcode");
+
+QUnit.test("block with multiple quoted attributes", assert => {
+  const parsed = parseBBCodeTag('[test one="foo" two="bar bar"]', 0, 30);
+
+  assert.equal(parsed.tag, "test");
+  assert.equal(parsed.attrs.one, "foo");
+  assert.equal(parsed.attrs.two, "bar bar");
+});