Get matrix working

.woodpecker.yml

@@ -1,5 +1,5 @@
 matrix:
-  molecule_distro: 
+  MOLECULE_DISTRO: 
     - centos7
     - centos8
     - almalinux8
@@ -9,7 +9,6 @@ steps:
     image: guisea/ansible-molecule
     environment:
       ANSIBLE_CALLBACK_WHITELIST: profile_tasks
-      # MOLECULE_DISTRO: ${molecule_distro}
       EPEL_MIRROR_URL: https://mirrors.guise.net.nz/epel
     commands:  
       - molecule test --all