Fix: CI: test: minor fix (#10)

.gitlab-ci.yml

@@ -70,7 +70,7 @@ test:
     # Test in the develop branch
     - git branch develop --track origin/develop || true
     - git checkout develop
-    - mkdir ~/temp/tests/keyringer
+    - mkdir -p ~/temp/tests/keyringer
     - ./keyringer test init ~/temp/tests/keyringer
     - gpg --with-colons --list-keys | grep uid | awk -F ':' '{ x = $10; gsub(/.*</, "", x); gsub(/>/, "", x); print x, $8; }' >> ~/temp/tests/keyringer/config/recipients/default
     - ./keyringer test check