chore: skip flaky contentTracing test (#45240)

spec/api-content-tracing-spec.ts

@@ -99,7 +99,8 @@ ifdescribe(!(['arm', 'arm64'].includes(process.arch)) || (process.platform !== '
       this.timeout(5e3);
     }
 
-    it('does not crash on empty string', async () => {
+    // FIXME(samuelmaddock): this test regularly flakes
+    it.skip('does not crash on empty string', async () => {
       const options = {
         categoryFilter: '*',
         traceOptions: 'record-until-full,enable-sampling'