make tests work on gitlab again

.gitlab-ci.yml

+test:
+    image: python:3.8-slim
+    script:
+        - python3 -m ebpfcat.ebpf_test -v Tests && python3 -m ebpfcat.ethercat_test -v
+
+docs:
+    image: sphinxdoc/sphinx
+    script:
+        - apt-get update
+        - apt-get install -y openssh-client
+        - pip3 install . --user
+        - sphinx-build -b html -d _build/doctrees . _build/html
+        - eval $(ssh-agent)
+        - echo "$SSHKEY" | ssh-add -
+        - ssh -o UserKnownHostsFile=known_hosts wp86team@exflqr30526 "./doc-prepare ec_$CI_COMMIT_REF_NAME"
+        - scp -o UserKnownHostsFile=known_hosts -r _build/html wp86team@exflqr30526:html/ec_$CI_COMMIT_REF_NAME