Adding online option to tox and the usage of pytest-rerunfailures for CI [skip ci]

Author: bsipocz

.github/workflows/ci_crontests.yml

@@ -24,9 +24,9 @@ jobs:
           - name: Python 3.9 with all dependencies with remote data
             os: ubuntu-latest
             python: '3.9'
-            toxenv: py39-test-alldeps-devdeps
+            toxenv: py39-test-alldeps-devdeps-online
             toxargs: -v
-            toxposargs: --remote-data -v --durations=50
+            toxposargs: -v --durations=50
 
           - name: pre-repease dependencies with all dependencies
             os: ubuntu-latest

tox.ini

@@ -1,6 +1,6 @@
 [tox]
 envlist =
-    py{37,38,39,310}-test{,-alldeps,-oldestdeps,-devdeps,-predeps}{,-cov}
+    py{37,38,39,310}-test{,-alldeps,-oldestdeps,-devdeps,-predeps}{,-online}{,-cov}
     codestyle
     build_docs
 requires =
@@ -26,6 +26,10 @@ changedir = .tmp/{envname}
 
 description = run tests
 
+setenv =
+    PYTEST_ARGS = ''
+    online: PYTEST_ARGS = --remote-data=any --reruns=1 --reruns-delay 10
+
 deps =
     devdeps: git+https://github.com/astropy/astropy.git#egg=astropy
     devdeps: git+https://github.com/astropy/pyvo.git#egg=pyvo
@@ -38,6 +42,7 @@ deps =
     oldestdeps: matplotlib==3.3.*
     oldestdeps: pyvo==1.1
     cov: codecov
+    online: pytest-rerunfailures
 
 extras =
     test
@@ -47,8 +52,8 @@ extras =
 commands =
     pip freeze
     # FIXME: there are too many failures in the docs example gallery, ignore it for now
-    !cov: pytest --pyargs astroquery {toxinidir}/docs --ignore={toxinidir}/docs/gallery* {posargs}
-    cov:  pytest --pyargs astroquery {toxinidir}/docs --ignore={toxinidir}/docs/gallery* --cov astroquery --cov-config={toxinidir}/setup.cfg {posargs}
+    !cov: pytest --pyargs astroquery {toxinidir}/docs --ignore={toxinidir}/docs/gallery* {env:PYTEST_ARGS} {posargs}
+    cov:  pytest --pyargs astroquery {toxinidir}/docs --ignore={toxinidir}/docs/gallery* --cov astroquery --cov-config={toxinidir}/setup.cfg {env:PYTEST_ARGS} {posargs}
     cov: coverage xml -o {toxinidir}/coverage.xml
 
 pip_pre =