remove stable api docstring tests

tests/stable_api_test.py

@@ -1,10 +1,7 @@
 from __future__ import annotations
 
-from datetime import datetime
-from datetime import timedelta
 from typing import Any
 
-import polars as pl
 import pytest
 
 import narwhals as nw
@@ -91,72 +88,3 @@ def test_stable_api_completeness() -> None:
     assert not extra
     missing = set(main_namespace_api).difference(v_1_api).difference({"stable"})
     assert not missing
-
-
-def test_stable_api_docstrings() -> None:
-    main_namespace_api = nw.__all__
-    for item in main_namespace_api:
-        if getattr(nw, item).__doc__ is None:
-            continue
-        v1_doc = getattr(nw_v1, item).__doc__
-        nw_doc = getattr(nw, item).__doc__
-        assert v1_doc == nw_doc, item
-
-
-def test_dataframe_docstrings() -> None:
-    stable_df = nw_v1.from_native(pl.DataFrame())
-    df = nw.from_native(pl.DataFrame())
-    api = [i for i in df.__dir__() if not i.startswith("_")]
-    for item in api:
-        assert (
-            getattr(stable_df, item).__doc__.replace(
-                "import narwhals.stable.v1 as nw", "import narwhals as nw"
-            )
-            == getattr(df, item).__doc__
-        ), item
-
-
-def test_lazyframe_docstrings() -> None:
-    stable_df = nw_v1.from_native(pl.LazyFrame())
-    df = nw.from_native(pl.LazyFrame())
-    api = [i for i in df.__dir__() if not i.startswith("_")]
-    for item in api:
-        if item in ("schema", "columns"):
-            # to avoid performance warning
-            continue
-        assert (
-            getattr(stable_df, item).__doc__.replace(
-                "import narwhals.stable.v1 as nw", "import narwhals as nw"
-            )
-            == getattr(df, item).__doc__
-        )
-
-
-def test_series_docstrings() -> None:
-    stable_df = nw_v1.from_native(pl.Series(), series_only=True)
-    df = nw.from_native(pl.Series(), series_only=True)
-    api = [i for i in df.__dir__() if not i.startswith("_")]
-    for item in api:
-        if getattr(df, item).__doc__ is None:
-            continue
-        assert (
-            getattr(stable_df, item).__doc__.replace(
-                "import narwhals.stable.v1 as nw", "import narwhals as nw"
-            )
-            == getattr(df, item).__doc__
-        ), item
-
-
-def test_dtypes(request: pytest.FixtureRequest, constructor: Constructor) -> None:
-    if "pyspark" in str(constructor):
-        request.applymarker(pytest.mark.xfail)
-
-    df = nw_v1.from_native(
-        constructor({"a": [1], "b": [datetime(2020, 1, 1)], "c": [timedelta(1)]})
-    )
-    dtype = df.collect_schema()["b"]
-    assert dtype in {nw_v1.Datetime}
-    assert isinstance(dtype, nw_v1.Datetime)
-    dtype = df.collect_schema()["c"]
-    assert dtype in {nw_v1.Duration}
-    assert isinstance(dtype, nw_v1.Duration)