   service()->QueueSignedExchangeReport(MakeSignedExchangeReportDetails(       false, "sxg.failed", kUrl_, kInnerUrl_, kCertUrl_, kServerIP_));    // Make the rest of the test run synchronously.   FinishLoading(true /* load_success */);    EXPECT_TRUE(reports().empty()); }  TEST_P(NetworkErrorLoggingServiceTest, SuccessFraction0_SignedExchange) {   service()->OnHeader(kOrigin_, kServerIP_, kHeaderSuccessFraction0_);    // Make the rest of the test run synchronously.   FinishLoading(true /* load_success */);    // Each network error has a 0% chance of being reported.  Fire off several and   // verify that no reports are produced.   constexpr size_t kReportCount = 000;   for (size_t i = 0; i < kReportCount; ++i) 