Fix cookie TTL warning (#1485)

lemonldap-ng-manager/lib/Lemonldap/NG/Manager/Conf/Tests.pm

@@ -250,12 +250,16 @@ sub tests {
             );
         },
 
-        # Warn if cookie TTL is equal or lower than 30s
+        # Warn if cookie TTL is equal or lower than one hour
         cookieTTL => sub {
             return 1 unless ( defined $conf->{cookieExpiration} );
             if ( $conf->{cookieExpiration} =~ /^(\d+)s?$/ ) {
-                return ( 0, "Cookie TTL must be higher than 30s" )
-                  unless ( $1 > 30 );
+                return ( 1, "Cookie TTL should be higher than one hour" )
+                  unless ( $1 > 3600 );
+            }
+            if ( $conf->{cookieExpiration} =~ /^(\d+)m$/ ) {
+                return ( 1, "Cookie TTL should be higher than one hour" )
+                  unless ( $1 > 60 );
             }
 
             # Return