Extracted the basic role from the madonsible playbook

tests/.vagrant/provisioners/ansible/inventory/vagrant_ansible_inventory

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+# Generated by Vagrant
+
+default ansible_host=127.0.0.1 ansible_port=2222 ansible_user='vagrant' ansible_ssh_private_key_file='/home/madonius/.vagrant.d/insecure_private_key'

tests/Vagrantfile

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+Vagrant.configure(2) do |config|
+    config.vm.hostname = "vagrant.example.com"
+    config.vm.box = "debian/stretch64"
+    config.ssh.insert_key = false
+
+    config.vm.provision "ansible" do |ansible|
+        ansible.verbose ="vv"
+        ansible.playbook = "test.yml"
+    end
+end

tests/ansible.cfg

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+[defaults]
+roles_path=../../

tests/inventory

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+10.0.0.100

tests/test.yml

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+---
+- hosts: all
+  roles:
+    - role: basic
+      basic_users:
+      - name: madonius
+        comment: 'madonius'
+        uid: 1337
+        shell: /bin/zsh
+        groups: sudo
+        state: present
+        ssh_auth_key: >
+          ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIB3HexVmU/vTVFUFk2AAB1h3mOOrfFPt1Gq2cBldaYnn madonius@iapeptus