add conservation law sediment bottom

1 job for sediment2d in 31 minutes and 35 seconds (queued for 2 seconds)
Status Name Job ID Coverage
failed makedg #10559


Name Stage Failure
makedg Test There is an unknown failure, please try again

98% tests passed, 1 tests failed out of 41

Total Test time (real) = 1603.79 sec

The following tests FAILED:
9 - modules/atmosphere/tests/GravityWavesSphereParallel (Failed)
Errors while running CTest
ERROR: Build failed: exit code 1