tests: cleanup the basic structure of integration tests.

tests/bats/df.bats

@@ -5,36 +5,22 @@
 
 load common
 
-setup_file() {
-    aa_setup
-}
-
-# bats test_tags=df
 @test "df: Display all filesystems and their disk usage" {
     df
-    aa_check
 }
 
-# bats test_tags=df
 @test "df: Display all filesystems and their disk usage in human-readable form" {
     df -h
-    aa_check
 }
 
-# bats test_tags=df
 @test "df: Display the filesystem and its disk usage containing the given file or directory" {
     df apparmor.d/
-    aa_check
 }
 
-# bats test_tags=df
 @test "df: Include statistics on the number of free inodes" {
     df --inodes
-    aa_check
 }
 
-# bats test_tags=df
 @test "df: Display filesystem types" {
     df --print-type
-    aa_check
 }