Fixed namespace linting test

Signed-off-by: Ole Herman Schumacher Elgesem <ole@northern.tech>

Author: olehermanse

tests/lint/008_namespace.cf

@@ -11,6 +11,6 @@ bundle agent target(a)
 
 bundle agent helper
 {
-  vars:
-    "x" string => mylib:target("arg");
+  methods:
+    "x" usebundle => mylib:target("arg");
 }

tests/lint/008_namespace.expected.txt

@@ -1,7 +1,7 @@
 
-  vars:
-    "x" string => default:target("arg");
-                  ^------------^
-Error: Call to unknown function / bundle / body 'default:target' at tests/lint/008_namespace.x.cf:15:19
+  methods:
+    "x" usebundle => default:target("arg");
+                     ^------------^
+Error: Call to unknown function / bundle / body 'default:target' at tests/lint/008_namespace.x.cf:15:22
 FAIL: tests/lint/008_namespace.x.cf (1 error)
 Failure, 1 error in total.

tests/lint/008_namespace.x.cf

@@ -11,6 +11,6 @@ bundle agent target(a)
 
 bundle agent helper
 {
-  vars:
-    "x" string => default:target("arg");
+  methods:
+    "x" usebundle => default:target("arg");
 }