test: Add nested order by id test

Author: joshwiens

test/__snapshots__/webpack-integration.test.js.snap

@@ -1,5 +1,20 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
+exports[`Webpack Integration Tests chunk-modules-nested-ordered-by-id 1`] = `
+"body {
+  margin: 0;
+  padding: 0;
+  font-family: sans-serif;
+}
+.block {
+	color: tomato;
+}
+.App {
+	color: black;
+}
+"
+`;
+
 exports[`Webpack Integration Tests chunk-modules-ordered-by-id 1`] = `
 ".block {
 	color: tomato;

test/cases/chunk-modules-nested-ordered-by-id/a.js

@@ -0,0 +1,2 @@
+require('./b.txt');
+require('./a.txt');

test/cases/chunk-modules-nested-ordered-by-id/a.txt

@@ -0,0 +1,3 @@
+.App {
+	color: black;
+}

test/cases/chunk-modules-nested-ordered-by-id/b.txt

@@ -0,0 +1,3 @@
+.block {
+	color: tomato;
+}

test/cases/chunk-modules-nested-ordered-by-id/c.txt

@@ -0,0 +1,5 @@
+body {
+  margin: 0;
+  padding: 0;
+  font-family: sans-serif;
+}

test/cases/chunk-modules-nested-ordered-by-id/expected/file.css

@@ -0,0 +1,11 @@
+body {
+  margin: 0;
+  padding: 0;
+  font-family: sans-serif;
+}
+.block {
+	color: tomato;
+}
+.App {
+	color: black;
+}

test/cases/chunk-modules-nested-ordered-by-id/index.js

@@ -0,0 +1,2 @@
+require('./c.txt');
+require('./a.js');

test/cases/chunk-modules-nested-ordered-by-id/webpack.config.js

@@ -0,0 +1,10 @@
+import ExtractTextPlugin from '../../../src/index';
+
+module.exports = {
+  entry: './index',
+  plugins: [
+    new ExtractTextPlugin({
+      filename: 'file.css',
+    }),
+  ],
+};