FIX: Make test more lenient

mne/decoding/tests/test_csp.py

@@ -73,8 +73,10 @@ def test_csp():
     # test covariance estimation methods (results should be roughly equal)
     csp_epochs = CSP(cov_est="epoch")
     csp_epochs.fit(epochs_data, y)
-    assert_array_almost_equal(csp.filters_, csp_epochs.filters_, -1)
-    assert_array_almost_equal(csp.patterns_, csp_epochs.patterns_, -1)
+    for attr in ('filters_', 'patterns_'):
+        assert_true(np.corrcoef(
+            getattr(csp, attr).ravel(),
+            getattr(csp_epochs, attr).ravel())[0, 1] > 0.95)
 
     # make sure error is raised for undefined estimation method
     csp_fail = CSP(cov_est="undefined")