[tests] fix unittest call

Change-Id: I585f124233c778352ce3353ab20a01212ae50855
---
M .github/workflows/pywikibot-ci.yml
M .github/workflows/login_tests-ci.yml
2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/login_tests-ci.yml b/.github/workflows/login_tests-ci.yml
index caad57d..e222ff8 100644
--- a/.github/workflows/login_tests-ci.yml
+++ b/.github/workflows/login_tests-ci.yml
@@ -135,7 +135,7 @@
       timeout-minutes: 2
       run: |
         python pwb.py version
-        unittest -vv tests/site_login_logout_tests.py
+        python -m unittest -vv tests/site_login_logout_tests.py
 
     - name: Show coverage statistics
       if: ${{ matrix.python-version != '3.13-dev' }}
diff --git a/.github/workflows/pywikibot-ci.yml b/.github/workflows/pywikibot-ci.yml
index 48650e4..bb71e70 100644
--- a/.github/workflows/pywikibot-ci.yml
+++ b/.github/workflows/pywikibot-ci.yml
@@ -165,7 +165,7 @@
         PYWIKIBOT_TEST_PROD_ONLY: ${{ matrix.test_prod_only && 1 || 0 }}
       run: |
         python pwb.py version
-        unittest discover -vv -p \"*_tests.py\";
+        python -m unittest discover -vv -p \"*_tests.py\";
 
     - name: Show coverage statistics
       if: ${{ matrix.python-version != '3.13-dev' }}

