Fix cov job (#307)

.github/workflows/ci_cron.yml

@@ -4,11 +4,20 @@ on:
   schedule:
     # Weekly Monday 6AM build
     - cron: "0 0 * * 1"
+  pull_request:
+    # We also want this workflow triggered if the `Weekly CI` label is
+    # added or present when PR is updated
+    types:
+      - synchronize
+      - labeled
+  push:
+    tags: "*"
   workflow_dispatch:
 
 jobs:
   test:
     uses: OpenAstronomy/github-actions-workflows/.github/workflows/tox.yml@v1
+    if: (github.repository == 'spacetelescope/rad' && (github.event_name == 'schedule' || github.event_name == 'push' || github.event_name == 'workflow_dispatch' || contains(github.event.pull_request.labels.*.name, 'Weekly CI')))
     with:
       envs: |
         - macos: test-xdist
@@ -17,4 +26,4 @@ jobs:
           python-version: 3.9
         - macos: test-xdist
           python-version: 3.10
-        - linux: test-devdeps-xdist
+        - linux: test-xdist-devdeps

tox.ini

@@ -1,7 +1,7 @@
 [tox]
 envlist =
     check-{style,build}
-    test-xdist
+    test-xdist{,-cov,-devdeps}
     build-{docs,dist}
 
 [testenv:check-style]