1. Experiment with changing the supplied example fixture classes and corresponding tables. Note the errors that result from a mismatch between the table and the fixture. 2. What happens if instance...

1. Experiment with changing the supplied example fixture classes and corresponding tables. Note the errors that result from a mismatch between the table and the fixture. 2. What happens if instance variables and methods in the ColumnFixture subclass are not referred to in the table? 3. What happens if a void method is provided in the fixture for a calculated column?