Update mocha import stubs (#7191)

* Update mocha import stubs

* Add .md files to ignore list

js/test/ignoreImports.js

@@ -0,0 +1,24 @@
+// Copyright 2015-2017 Parity Technologies (UK) Ltd.
+// This file is part of Parity.
+
+// Parity is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// Parity is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
+
+const EXTENSIONS = ['.css', '.ejs', '.md', '.png', '.svg'];
+
+function noop () {
+}
+
+EXTENSIONS.forEach((extension) => {
+  require.extensions[extension] = noop;
+});

js/test/mocha.opts

@@ -1,3 +1,3 @@
 -r ./test/babel
 -r ./test/mocha.config
--r ignore-styles
+-r ./test/ignoreImports