Fix disabled test method name format.

ios/chrome/browser/ui/first_run/first_run_egtest.mm

Index: ios/chrome/browser/ui/first_run/first_run_egtest.mm
diff --git a/ios/chrome/browser/ui/first_run/first_run_egtest.mm b/ios/chrome/browser/ui/first_run/first_run_egtest.mm
index 406fcdce0b7487f8d8d8e63968b9f2fcf2eb6f5a..5476786fb4f243401e53bfd9bdc1040b95b4f84c 100644
--- a/ios/chrome/browser/ui/first_run/first_run_egtest.mm
+++ b/ios/chrome/browser/ui/first_run/first_run_egtest.mm
@@ -217,7 +217,7 @@ void AssertAuthenticatedIdentityInActiveProfile(ChromeIdentity* identity) {
 
 // Signs in to an account and then taps the Advanced link to go to settings.
 // TODO(crbug.com/718023): Re-enable test.
-- (void)testSignInAndTapSettingsLink_DISABLED {
+- (void)DISABLED_testSignInAndTapSettingsLink {
   ChromeIdentity* identity = GetFakeIdentity();
   ios::FakeChromeIdentityService::GetInstanceFromChromeProvider()->AddIdentity(
       identity);