Update test.yml

Author: ntkme

.github/workflows/test.yml

@@ -18,7 +18,7 @@ jobs:
 
     steps:
       - run: |
-          echo "$(docker build -qf- -  <<'EOF'
+          echo "$(docker build -qf- .  <<'EOF'
           FROM alpine
           ADD /home/github/.docker/config.json
           EOF