text: from eth2spec.phase0 import spec as spec_phase0
  from eth2spec.altair import spec as spec_altair
  from eth2spec.merge import spec as spec_merge
  from eth2spec.test.helpers.constants import PHASE0, ALTAIR, MERGE
  
  from eth2spec.gen_helpers.gen_from_tests.gen import run_state_test_generators
  
  
  specs = (spec_phase0, spec_altair, spec_merge)
  
  
  if __name__ == "__main__":
      phase_0_mods = {key: 'eth2spec.test.phase0.sanity.test_' + key for key in [
          'blocks',
          'slots',
      ]}
      altair_mods = {**{key: 'eth2spec.test.altair.sanity.test_' + key for key in [
          'blocks',
      ]}, **phase_0_mods}  # also run the previous phase 0 tests
  
      # Altair-specific test cases are ignored, but should be included after the Merge is rebased onto Altair work.
      merge_mods = {**{key: 'eth2spec.test.merge.sanity.test_' + key for key in [
          'blocks',
      ]}, **phase_0_mods}  # TODO: Merge inherits phase0 tests for now.
  
      all_mods = {
          PHASE0: phase_0_mods,
          ALTAIR: altair_mods,
          MERGE: merge_mods,
      }
  
      run_state_test_generators(runner_name="sanity", specs=specs, all_mods=all_mods)
  