Add clean task, remove build task from test, update dependencies

test/unit/build.js

@@ -0,0 +1,33 @@
+const test = require('ava');
+const fs = require('fs');
+const path = require('path');
+
+let dist = path.join(__dirname, '../../dist');
+
+test.before('`dist` path should be created', t => {
+	t.true(fs.lstatSync(dist).isDirectory());
+});
+
+test('`milligram.css` should be created', t => {
+	fs.readdirSync(dist).map(file => {
+		if (file === 'milligram.css') t.is(file, 'milligram.css');
+	});
+});
+
+test('`milligram.min.css` should be created', t => {
+	fs.readdirSync(dist).map(file => {
+		if (file === 'milligram.min.css') t.is(file, 'milligram.min.css');
+	});
+});
+
+test('`milligram.css.map` should be created', t => {
+	fs.readdirSync(dist).map(file => {
+		if (file === 'milligram.css.map') t.is(file, 'milligram.css.map');
+	});
+});
+
+test('`milligram.min.css.map` should be created', t => {
+	fs.readdirSync(dist).map(file => {
+		if (file === 'milligram.min.css.map') t.is(file, 'milligram.min.css.map');
+	});
+});