Nightly Hypothesis tests failed

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Python 3.12 Test Summary

properties/test_index_manipulation.py::DatasetTest::runTest: DeprecationWarning: Deleting a single level of a MultiIndex is deprecated. Previously, this deleted all levels of a MultiIndex. Please also drop the following variables: {'3'} to avoid an error in the future.
Falsifying example:
state = DatasetStateMachine()
state.init_ds(var=Variable(
    data=array([0., 1., 2., 3., 4., 5.], dtype=float32),
    dims=['D'],
    attrs={'': array([ 'NaT', '1970'], dtype='datetime64[Y]')},
))
state.assert_invariants()
adding dimension coordinate C
state.add_dim_coord(var=Variable(data=array([0], dtype=uint32), dims=['C'], attrs={}))
state.assert_invariants()
adding dimension coordinate B
state.add_dim_coord(var=Variable(data=array([0], dtype=int32), dims=['B'], attrs={}))
state.assert_invariants()
adding dimension coordinate H
state.add_dim_coord(var=Variable(data=array([0, 2, 1], dtype=int32), dims=['H'], attrs={}))
state.assert_invariants()
Draw 1: ['B', 'C', 'D', 'H']
> drop_dims: ['B', 'C', 'D', 'H']
state.drop_dims(data=data(...))
state.assert_invariants()
adding dimension coordinate 1
state.add_dim_coord(var=Variable(data=array([0], dtype=int32), dims=['1'], attrs={}))
state.assert_invariants()
adding dimension coordinate I
state.add_dim_coord(var=Variable(data=array([''], dtype='<U1'), dims=['I'], attrs={'': False}))
state.assert_invariants()
adding dimension coordinate 2
state.add_dim_coord(var=Variable(
    data=array([0], dtype=int32),
    dims=['2'],
    attrs={'': {'': array([0.+0.j], dtype=complex64)},
     '0': {'': array([0.+0.j], dtype=complex64)}},
))
state.assert_invariants()
Draw 2: ['1', '2', 'I']
> drop_dims: ['1', '2', 'I']
state.drop_dims(data=data(...))
state.assert_invariants()
adding dimension coordinate 4
state.add_dim_coord(var=Variable(data=array([0], dtype=int32), dims=['4'], attrs={}))
state.assert_invariants()
adding dimension coordinate 5
state.add_dim_coord(var=Variable(
    data=array([0], dtype=int32),
    dims=['5'],
    attrs={'': array([0.+0.j], dtype=complex64),
     '0': array(['1970'], dtype='datetime64[Y]'),
     '1': array(['1970'], dtype='datetime64[Y]')},
))
state.assert_invariants()
adding dimension coordinate 6
state.add_dim_coord(var=Variable(data=array([0], dtype=int32), dims=['6'], attrs={}))
state.assert_invariants()
adding dimension coordinate F
state.add_dim_coord(var=Variable(data=array([0], dtype=int32), dims=['F'], attrs={}))
state.assert_invariants()
adding dimension coordinate G
state.add_dim_coord(var=Variable(
    data=array([0], dtype=int32),
    dims=['G'],
    attrs={'': None, '0': array([0.], dtype=float16)},
))
state.assert_invariants()
adding dimension coordinate E
state.add_dim_coord(var=Variable(data=array([0, 1], dtype=int32), dims=['E'], attrs={}))
state.assert_invariants()
adding dimension coordinate 00
state.add_dim_coord(var=Variable(data=array([1, 0], dtype=int32), dims=['00'], attrs={}))
state.assert_invariants()
adding dimension coordinate 01
state.add_dim_coord(var=Variable(data=array([0, 4, 1, 2, 3], dtype=int32), dims=['01'], attrs={}))
state.assert_invariants()
adding dimension coordinate 11
state.add_dim_coord(var=Variable(data=array([1, 0], dtype=int32), dims=['11'], attrs={}))
state.assert_invariants()
adding dimension coordinate 0
state.add_dim_coord(var=Variable(data=array([0, 1], dtype=uint32), dims=['0'], attrs={}))
state.assert_invariants()
adding dimension coordinate 7
state.add_dim_coord(var=Variable(
    data=array([0., 1., 2., 5., 4., 3.], dtype=float32),
    dims=['7'],
    attrs={},
))
state.assert_invariants()
adding dimension coordinate 02
state.add_dim_coord(var=Variable(
    data=array(['1970-01-01T00:00:00.000000000', '1970-01-01T00:00:00.000000003',
           '1970-01-01T00:00:00.000000001', '1970-01-01T00:00:00.000000002'],
          dtype='datetime64[ns]'),
    dims=['02'],
    attrs={'': array([[0.+0.j, 0.+0.j]], dtype=complex64),
     '0': array([['1970', '1970'],
            ['1970', '1970']], dtype='datetime64[Y]'),
     '1': array([0.+0.j], dtype=complex64),
     '2': array(['NaT'], dtype='datetime64[Y]')},
))
state.assert_invariants()
Draw 3: ['0', '00']
> drop_dims: ['0', '00']
state.drop_dims(data=data(...))
state.assert_invariants()
Draw 4: ['01', '02', '11', '4', '5', 'F']
> drop_dims: ['01', '02', '11', '4', '5', 'F']
state.drop_dims(data=data(...))
state.assert_invariants()
Draw 5: ['6', 'G']
> drop_dims: ['6', 'G']
state.drop_dims(data=data(...))
state.assert_invariants()
adding dimension coordinate 330
state.add_dim_coord(var=Variable(data=array([0], dtype=int32), dims=['330'], attrs={}))
state.assert_invariants()
Draw 6: ['330']
> drop_dims: ['330']
state.drop_dims(data=data(...))
state.assert_invariants()
Draw 7: ['7']
> drop_dims: ['7']
state.drop_dims(data=data(...))
state.assert_invariants()
Draw 8: ['E']
> stacking ['E'] as 3
state.stack(create_index=True, data=data(...), newname='3')
state.assert_invariants()
adding dimension coordinate 10
state.add_dim_coord(var=Variable(
    data=array(['1970-01-01T00:00:00.000000000', '1970-01-01T00:00:00.000000001'],
          dtype='datetime64[ns]'),
    dims=['10'],
    attrs={},
))
state.assert_invariants()
Draw 9: ['10']
> stacking ['10'] as A
state.stack(create_index=False, data=data(...), newname='A')
state.assert_invariants()
adding dimension coordinate 8
state.add_dim_coord(var=Variable(data=array([0, 2, 3], dtype=uint32), dims=['8'], attrs={'': ''}))
state.assert_invariants()
Draw 10: '3'
> renaming 3 to 9
state.rename_vars(data=data(...), newname='9')
state.assert_invariants()
Draw 11: ['3']
> drop_dims: ['3']
state.drop_dims(data=data(...))
state.teardown()
Explanation:
    These lines were always and only run by failing examples:
        /home/runner/work/xarray/xarray/xarray/core/dataset.py:5955
        /home/runner/work/xarray/xarray/xarray/core/dataset.py:5956
        /home/runner/work/xarray/xarray/xarray/core/dataset.py:5959

You can reproduce this example by temporarily adding @reproduce_failure('6.103.0', b'AXiclVMJEsQgCCPS7nbv4/+PXTxBsdNZO+0AxiRVJAq00mxAw6Aha7houIIecQULFSABYJY3Pmh8n+jdZoKaCeWn5CjPyFAra8q+ZGGMHhuyU17IEVkcEvgAZUyNlhaHRLR3RJl003Y6FPJvzSed1mlSe01q78yWZHmPtq8K+DlOQVML9rugxYIrp8ygbh8dL2CT3g6hM/lfaxussSt+zjU0zT8fBmA1kPutHTp8oxwMbQd3s2wX77Ii6peOSW+om6eXSR6uhTCuTy9Db1HQ5TK2qFD+nnd6B9Ssb5HtWqmtWDBfIdra/FmCSwyT4g/mOgIX') as a decorator on your test case