code: def test_skat_5():
      ds = skat_dataset()
      hl.skat(
          key_expr=ds.gene,
          weight_expr=ds.weight,
          y=ds.pheno,
          x=hl.pl_dosage(ds.PL),
          covariates=[1.0, ds.cov.Cov1, ds.cov.Cov2],
          logistic=(25, 1e-6),
      )._force_count()
  
imports: import hail
  import pytest
  from hail.utils import FatalError, HailUserError
  from ..helpers import resource, test_timeout, qobtest
label_desc: Use image node_id 15 for calling a global function with example usage: test_skat_5() without return types