chore: upgrade filenamify-url

tests/server.ts

@@ -8,7 +8,6 @@ const path = require('path');
 const serveIndex = require('serve-index');
 const fs = require('fs');
 const bodyParser = require('body-parser');
-const filenamifyUrl = require('filenamify-url');
 const mkdirp = require('mkdirp');
 const proxy = require('./proxy');
 
@@ -44,7 +43,9 @@ const metadataFolder = '../tmp/reftests/metadata';
 mkdirp.sync(path.resolve(__dirname, screenshotFolder));
 mkdirp.sync(path.resolve(__dirname, metadataFolder));
 
-const writeScreenshot = (buffer: Buffer, body: ScreenshotRequest) => {
+const writeScreenshot = async (buffer: Buffer, body: ScreenshotRequest) => {
+    const { default: filenamifyUrl } = await import('filenamify-url');
+
     const filename = `${filenamifyUrl(body.test.replace(/^\/tests\/reftests\//, '').replace(/\.html$/, ''), {
         replacement: '-'
     })}!${[process.env.TARGET_BROWSER, body.platform.name, body.platform.version].join('-')}`;