[Tests] add failing tests for multiple React imports

See #31.

test/fixtures/test-multiple-svg.jsx

@@ -0,0 +1,19 @@
+import MySvg from './close.svg';
+import MySvg2 from './close.svg';
+import MySvg3 from './close2.svg';
+
+export function MyFunctionIcon() {
+  return <MySvg />;
+}
+
+export class MyClassIcon extends React.Component {
+  render() {
+    return (
+      <div>
+        <MySvg />
+        <MySvg2 />
+        <MySvg3 />
+      </div>
+    );
+  }
+}

test/sanity.js

@@ -1,12 +1,12 @@
 import { transformFile } from 'babel-core';
 
 function assertReactImport(result) {
-  const match = result.code.match(/import React from 'react'/);
+  const match = result.code.match(/import React from 'react'/g);
   if (!match) {
     throw new Error('no React import found');
   }
   if (match.length !== 1) {
-    throw new Error('more or less than one match found');
+    throw new Error(`more or less than one match found: ${match}\n${result.code}`);
   }
 }
 
@@ -22,6 +22,18 @@ transformFile('test/fixtures/test.jsx', {
   console.log('test/fixtures/test.jsx', result.code);
 });
 
+transformFile('test/fixtures/test-multiple-svg.jsx', {
+  babelrc: false,
+  presets: ['react'],
+  plugins: [
+    '../../src/index',
+  ],
+}, (err, result) => {
+  if (err) throw err;
+  assertReactImport(result);
+  console.log('test/fixtures/test-multiple-svg.jsx', result.code);
+});
+
 transformFile('test/fixtures/test-no-react.jsx', {
   babelrc: false,
   presets: ['react'],