Rename var lookup to vars and add tests

test/integration/targets/lookups/tasks/main.yml

@@ -286,3 +286,22 @@
 - assert:
     that:
       - "hello_world|trim == 'Hello world!'"
+
+# Vars lookups
+
+- name: Test that we can give it a single value and receive a single value
+  set_fact:
+    var_host: '{{ lookup("vars", "ansible_host") }}'
+
+- assert:
+    that:
+      - 'var_host == ansible_host'
+
+- name: Test that we can give a list of values to var and receive a list of values back
+  set_fact:
+    var_host_info: '{{ query("vars", "ansible_host", "ansible_user") }}'
+
+- assert:
+    that:
+      - 'var_host_info[0] == ansible_host'
+      - 'var_host_info[1] == ansible_user'