MAINT: Skip linear regression test that fails due to tolerances

[david-cortes-intel]

Description

Skips a test from scikit-learn that has been producing failures in multiple jobs when the runner is an AMD machine without avx512.

Example:

================================== FAILURES ===================================
__________________ test_linear_regression_vs_lstsq[float32] ___________________

dtype = <class 'numpy.float32'>

    @pytest.mark.parametrize("dtype", [np.float64, np.float32])
    def test_linear_regression_vs_lstsq(dtype):
        """
        Check that LinearRegression is as good as `scipy.linalg.lstsq`.
        Non regression test for issue #33032.
        """
        rng = np.random.RandomState(1137)
        n_samples = 500_000
    
        x1 = rng.rand(n_samples)
        x2 = 0.3 * x1 + 0.1 * rng.rand(n_samples)
        X = np.column_stack([x1, x2])
        y = X @ [0.5, 2.0] + 0.1 * rng.rand(n_samples)
    
        X = X.astype(dtype)
        y = y.astype(dtype)
    
        coef_scipy = linalg.lstsq(X, y)[0]
        coef_sklearn = LinearRegression(fit_intercept=False).fit(X, y).coef_
    
        rmse_scipy = np.linalg.norm(y - X @ coef_scipy)
        rmse_sklearn = np.linalg.norm(y - X @ coef_sklearn)
>       assert rmse_sklearn == pytest.approx(rmse_scipy, rel=1e-6)
E       assert np.float32(24.387865) == 24.38691520690918 � 2.4e-05
E         
E         comparison failed
E         Obtained: 24.38786506652832
E         Expected: 24.38691520690918 � 2.4e-05

Link: https://dev.azure.com/daal/daal4py/_build/results?buildId=58488&view=logs&j=950f1d62-c3cc-5d51-08d2-e6dd47db1841&t=aaee886b-1c31-541e-c596-9c472f025343&l=31285

---

Checklist:

Completeness and readability

• I have commented my code, particularly in hard-to-understand areas.
• Git commit message contains an appropriate signed-off-by string (see CONTRIBUTING.md for details).
• I have resolved any merge conflicts that might occur with the base branch.

Testing

• I have run it locally and tested the changes extensively.
• All CI jobs are green or I have provided justification why they aren't.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.

Flag	Coverage Δ
azure	79.65% <ø> (ø)
github	81.98% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.