Update meter tests to use id returned by insertion
Update meter tests to use id returned by insertion

Update the meter tests to use the fact that the SQL to insert a new
meter now returns the id given to the meter.

OpenEnergyDashboard/OED,beloitcollegecomputerscience/OED,beloitcollegecomputerscience/OED,OpenEnergyDashboard/OED,OpenEnergyDashboard/OED,beloitcollegecomputerscience/OED,beloitcollegecomputerscience/OED,OpenEnergyDashboard/OED