DOC: Remove make test (mne-tools#12042)

Author: larsoner

Makefile

@@ -33,8 +33,6 @@ sample_data:
 testing_data:
 	@python -c "import mne; mne.datasets.testing.data_path(verbose=True);"
 
-pytest: test
-
 test-no-network: in
 	sudo unshare -n -- sh -c 'MNE_SKIP_NETWORK_TESTS=1 py.test mne'
 

doc/install/advanced.rst

@@ -209,6 +209,14 @@ or by doing
 :func:`mne.viz.set_3d_options(antialias=False) <mne.viz.set_3d_options>` within
 a given Python session.
 
+Some hardware-accelerated graphics on linux (e.g., some Intel graphics cards)
+provide an insufficient implementation of OpenGL, and in those cases it can help to
+force software rendering instead with something like:
+
+.. code-block:: console
+
+    $ export LIBGL_ALWAYS_SOFTWARE=true
+
 Another issue that may come up is that the MESA software itself may be out of date
 in certain operating systems, for example CentOS. This may lead to incomplete
 rendering of some 3D plots. A solution is described in this `Github comment <https://github.com/mne-tools/mne-python/issues/7977#issuecomment-729921035>`_.

doc/install/contributing.rst

@@ -872,7 +872,7 @@ Running the test suite
     The ``--pdb`` flag will automatically start the python debugger upon test
     failure.
 
-The full test suite can be run by calling ``make test`` from the
+The full test suite can be run by calling ``pytest -m "not ultraslowtest" mne`` from the
 ``mne-python`` root folder. Testing the entire module can be quite
 slow, however, so to run individual tests while working on a new feature, you
 can run the following line::