f make test run longer, i saw a failure locally

Author: TheBlueMatt

lightning-invoice/src/payment.rs

@@ -518,11 +518,11 @@ mod tests {
 			.unwrap()
 	}
 
-	fn will_expire_in_1_sec_invoice(payment_preimage: PaymentPreimage) -> Invoice {
+	fn will_expire_in_2_secs_invoice(payment_preimage: PaymentPreimage) -> Invoice {
 		let payment_hash = Sha256::hash(&payment_preimage.0);
 		let private_key = SecretKey::from_slice(&[42; 32]).unwrap();
 		let timestamp = SystemTime::now()
-			.checked_sub(Duration::from_secs(DEFAULT_EXPIRY_TIME - 1))
+			.checked_sub(Duration::from_secs(DEFAULT_EXPIRY_TIME - 2))
 			.unwrap();
 		InvoiceBuilder::new(Currency::Bitcoin)
 			.description("test".into())
@@ -770,9 +770,9 @@ mod tests {
 			InvoicePayer::new(&payer, router, &scorer, &logger, event_handler, RetryAttempts(2));
 
 		let payment_preimage = PaymentPreimage([1; 32]);
-		let invoice = will_expire_in_1_sec_invoice(payment_preimage);
+		let invoice = will_expire_in_2_secs_invoice(payment_preimage);
 		let payment_id = Some(invoice_payer.pay_invoice(&invoice).unwrap());
-		std::thread::sleep(Duration::from_secs(2));
+		std::thread::sleep(Duration::from_secs(4));
 		assert_eq!(*payer.attempts.borrow(), 1);
 
 		let event = Event::PaymentPathFailed {