CI: build and run unit tests

Run `make check` after the project is built in every runner.

Signed-off-by: Iker Pedrosa <ipedrosa@redhat.com>

.github/workflows/runner.yml

@@ -35,7 +35,7 @@ jobs:
         sudo apt-mark hold grub-efi-amd64-bin grub-efi-amd64-signed
         sudo apt-get update
         sudo apt-get -y dist-upgrade
-        sudo apt-get -y install ubuntu-dev-tools automake autopoint xsltproc gettext expect byacc libtool libbsd-dev pkgconf
+        sudo apt-get -y install ubuntu-dev-tools automake autopoint xsltproc gettext expect byacc libtool libbsd-dev pkgconf libcmocka-dev
         sudo apt-get -y build-dep shadow
     - name: configure
       run: |
@@ -83,6 +83,7 @@ jobs:
         cd $d
         ./configure
         make -j5
+        make check
 
   container-build:
     runs-on: ubuntu-latest