mkosi: Run integration tests as root

This allows running integration tests that support it in nspawn
instead of qemu. This both gives extra coverage and speeds things up.

.github/workflows/mkosi.yml

@@ -182,7 +182,7 @@ jobs:
       run: meson compile -C build mkosi
 
     - name: Run integration tests
-      run: meson test -C build --no-rebuild --suite integration-tests --print-errorlogs --no-stdsplit --num-processes "$(($(nproc) - 1))"
+      run: sudo meson test -C build --no-rebuild --suite integration-tests --print-errorlogs --no-stdsplit --num-processes "$(($(nproc) - 1))"
 
     - name: Archive failed test journals
       uses: actions/upload-artifact@v4

test/TEST-85-NETWORK/meson.build

@@ -25,6 +25,7 @@ foreach testcase : network_testcases
                                 'systemd.setenv=TEST_MATCH_TESTCASE=@0@'.format(testcase)
                         ],
                         'priority' : 10,
+                        'vm' : true,
                 },
         ]
 endforeach