tests: cleanup the basic structure of integration tests.

tests/bats/w.bats

@@ -5,18 +5,10 @@
 
 load common
 
-setup_file() {
-    aa_setup
-}
-
-# bats test_tags=w
 @test "w: Display information about all users who are currently logged in" {
     w
-    aa_check
 }
 
-# bats test_tags=w
 @test "w: Display information about a specific user" {
     w root
-    aa_check
 }