Tests: postponed startup in certain ssl certificate tests on win32. At least, some win32 hosts exhibit a round-off error or some such in the notBefore field of the certificate generated before starting nginx, such that it can be set to the value one second ahead of the current time. This manifests in spurious test failures due to certificate verify error with a failure reason "certificate is not yet valid".

--- a/proxy_ssl_certificate.t
+++ b/proxy_ssl_certificate.t
@@ -128,6 +128,8 @@ foreach my $name ('3.example.com') {
 		or die "Can't create certificate for $name: $!\n";
 }
 
+sleep 1 if $^O eq 'MSWin32';
+
 $t->write_file('password', '3.example.com');
 $t->write_file('index.html', '');