fix a delay in factory test to match a revised delay

waiting a bit longer for the EC to boot requires the confirmation
time threshold for the EC boot to also be stretched out

Author: bunnie

services/shellchat/src/cmds/test.rs

@@ -255,7 +255,7 @@ impl<'a> ShellCmdApi<'a> for Test {
                     env.com.reseed_ec_trng().unwrap();
                     let ut_after = env.com.get_ec_uptime().unwrap();
 
-                    if ut < ut_after || ut_after > 4200 {
+                    if ut < ut_after || ut_after > 8500 {
                         log::info!("{}|ECRESET|FAIL|{}|{}|", SENTINEL, ut, ut_after);
                     } else {
                         log::info!("{}|ECRESET|PASS|{}|{}|", SENTINEL, ut, ut_after);