MAINT: remove the usage of the astropy TestRunner

CHANGES.rst

@@ -61,6 +61,9 @@ Deprecations and Removals
 - Deprecating the use of "image" and "spectrum" in registry Servicetype
   constraints [#449]
 
+- Removed usage of the astropy TestRunner, therefore the unadvertised
+  ``pyvo.test()`` functionality. [#606]
+
 
 1.5.3 (unreleased)
 ==================

conftest.py

@@ -5,6 +5,8 @@
 
 import os
 import tempfile
+import numpy as np
+from astropy.utils import minversion
 
 try:
     from pytest_astropy_header.display import PYTEST_HEADER_MODULES, TESTED_VERSIONS
@@ -38,6 +40,11 @@
 iers_conf.auto_download = False
 
 
+# Keep this until we require numpy to be >=2.0
+if minversion(np, "2.0.0.dev0+git20230726"):
+    np.set_printoptions(legacy="1.25")
+
+
 def pytest_configure(config):
     """Configure Pytest with Astropy.
 

pyvo/_astropy_init.py

@@ -1,13 +1,8 @@
 # Licensed under a 3-clause BSD style license - see LICENSE.rst
-import os
 
-__all__ = ['__version__', 'test']
+__all__ = ['__version__']
 
 try:
     from .version import version as __version__
 except ImportError:
     __version__ = ''
-
-# Create the test function for self test
-from astropy.tests.runner import TestRunner
-test = TestRunner.make_test_runner_in(os.path.dirname(__file__))