RenameTableStep step = new RenameTableStep();
step.setOldName(table.getName());
step.setNewName("B");
schema = upgrade(step, schema, null);
assertNull(schema.findTable(m_singlePKColTableStep.getName()));
table = schema.getTable(schema.getPrefix() + "b");
assertNotNull(table);
assertEquals(1, table.getColumnCount());