old_contents: import pytest
  from os.path import abspath, basename, dirname, join
  import subprocess
  import glob
  import sys
  
  
  cwd = abspath(dirname(__file__))
  examples_dir = join(cwd, "..", "..", "examples")
  
  # Examples which use the compressible solvers
  compressible_examples = ["compressible_eady.py",
                           "dense_bubble.py",
                           "dry_bf_bubble.py",
                           "h_mountain.py",
                           "moist_bf_bubble.py",
                           "nh_mountain.py",
                           "rising_bubble.py",
                           "sk_hydrostatic.py",
                           "sk_linear_advection.py",
                           "sk_nonlinear.py",
                           "tracer.py"]
  
  
  @pytest.fixture(params=glob.glob("%s/*.py" % examples_dir),
                  ids=lambda x: basename(x))
  def example_file(request):
      return abspath(request.param)
  
  
  @pytest.fixture(params=[ex for glb in [glob.glob("%s/%s" % (examples_dir, exmp))
                                         for exmp in compressible_examples]
                          for ex in glb],
                  ids=lambda x: basename(x))
  def compressible_example_file(request):
      return abspath(request.param)
  
  
  def test_example_runs(example_file, tmpdir, monkeypatch):
      # This ensures that the test writes output in a temporary
      # directory, rather than where pytest was run from.
      monkeypatch.chdir(tmpdir)
      subprocess.check_call([sys.executable, example_file, "--running-tests"])
  
  
  def test_hybridized_compressible_examples(compressible_example_file, tmpdir, monkeypatch):
      # This ensures that the test writes output in a temporary
      # directory, rather than where pytest was run from.
      monkeypatch.chdir(tmpdir)
      subprocess.check_call([sys.executable, compressible_example_file,
                             "--running-tests", "--hybridization"])
  
new_contents: import pytest
  from os.path import abspath, basename, dirname, join
  import subprocess
  import glob
  import sys
  
  
  cwd = abspath(dirname(__file__))
  examples_dir = join(cwd, "..", "..", "examples")
  
  # Examples which use the compressible solvers
  compressible_examples = ["compressible_eady.py",
                           "dense_bubble.py",
                           "dry_bf_bubble.py",
                           "h_mountain.py",
                           "moist_bf_bubble.py",
                           "nh_mountain.py",
                           "rising_bubble.py",
                           "sk_hydrostatic.py",
                           "sk_linear_advection.py",
                           "sk_nonlinear.py",
                           "tracer.py",
                           "unsaturated_bubble.py"]
  
  
  @pytest.fixture(params=glob.glob("%s/*.py" % examples_dir),
                  ids=lambda x: basename(x))
  def example_file(request):
      return abspath(request.param)
  
  
  @pytest.fixture(params=[ex for glb in [glob.glob("%s/%s" % (examples_dir, exmp))
                                         for exmp in compressible_examples]
                          for ex in glb],
                  ids=lambda x: basename(x))
  def compressible_example_file(request):
      return abspath(request.param)
  
  
  def test_example_runs(example_file, tmpdir, monkeypatch):
      # This ensures that the test writes output in a temporary
      # directory, rather than where pytest was run from.
      monkeypatch.chdir(tmpdir)
      subprocess.check_call([sys.executable, example_file, "--running-tests"])
  
  
  def test_hybridized_compressible_examples(compressible_example_file, tmpdir, monkeypatch):
      # This ensures that the test writes output in a temporary
      # directory, rather than where pytest was run from.
      monkeypatch.chdir(tmpdir)
      subprocess.check_call([sys.executable, compressible_example_file,
                             "--running-tests", "--hybridization"])
  
subject: Add the unsaturated bubble example to hybridization tests