First of two parts. Part two appeared on May 27.For more than 15 years, Illinois trial judges have been invoking the so-called test-the-waters doctrine — a purely judicial creation — to deny litigants their statutory right to an automatic substitution of judge.What’s wrong with this practice (other than having no statutory basis) is that the test-the-waters doctrine came into being in its current form when the 1st District Appellate Court misread a 4th District case involving a different version of the …