test: fix test sanitization (#5515)

This was regressed in https://github.com/microsoft/playwright/pull/5502

Three pause tests are broken: https://devops.aslushnikov.com/flakiness2.html#timestamp=1613756319661

test/pause.spec.ts

@@ -234,7 +234,7 @@ describe('pause', (suite, { mode }) => {
 async function sanitizeLog(recorderPage: Page): Promise<string[]> {
   const results = [];
   for (const entry of await recorderPage.$$('.call-log-call')) {
-    const header = await (await (await entry.$('.call-log-call-header')).textContent()).replace(/— \d+(ms|s)/, '- XXms');
+    const header = await (await (await entry.$('.call-log-call-header')).textContent()).replace(/— \d+(\.\d+)?(ms|s)/, '- XXms');
     results.push(header);
     results.push(...await entry.$$eval('.call-log-message', ee => ee.map(e => e.textContent)));
     const errorElement = await entry.$('.call-log-error');