Dynamic modules output differ on win32 where paths are case insensitive

test/form/dynamic-template-literal/output.win32.js

@@ -0,0 +1,12 @@
+import * as commonjsHelpers from 'commonjsHelpers';
+
+var pe = 'pe';
+var foo = commonjsHelpers.commonjsRequire((`ta${pe}`).toLowerCase(),".");
+console.log(foo);
+
+var input = {
+
+};
+
+export default input;
+export { input as __moduleExports };

test/form/ignore-ids-function/output.win32.js

@@ -0,0 +1,12 @@
+import * as commonjsHelpers from 'commonjsHelpers';
+import 'bar';
+import bar from 'commonjs-proxy:bar';
+
+var foo = commonjsHelpers.commonjsRequire( ('foo').toLowerCase() ,".");
+
+var input = {
+
+};
+
+export default input;
+export { input as __moduleExports };

test/form/ignore-ids/output.win32.js

@@ -0,0 +1,12 @@
+import * as commonjsHelpers from 'commonjsHelpers';
+import 'bar';
+import bar from 'commonjs-proxy:bar';
+
+var foo = commonjsHelpers.commonjsRequire( ('foo').toLowerCase() ,".");
+
+var input = {
+
+};
+
+export default input;
+export { input as __moduleExports };

test/test.js

@@ -80,7 +80,15 @@ describe( 'rollup-plugin-commonjs', () => {
 				options({ input: 'main.js' });
 
 				const input = fs.readFileSync( `form/${dir}/input.js`, 'utf-8' );
-				const expected = fs.readFileSync( `form/${dir}/output.js`, 'utf-8' ).trim();
+
+				let outputFile = `form/${dir}/output`;
+				if ( fs.existsSync( `${outputFile}.${process.platform}.js` ) ) {
+					outputFile += `.${process.platform}.js`;
+				} else {
+					outputFile += '.js';
+				}
+
+				const expected = fs.readFileSync( outputFile, 'utf-8' ).trim();
 
 				return transform.call( transformContext, input, 'input.js' ).then( transformed => {
 					const actual = ( transformed ? transformed.code : input ).trim().replace( /\0/g, '' );