tests: cleanup the basic structure of integration tests.

tests/bats/useradd.bats

@@ -5,45 +5,28 @@
 
 load common
 
-setup_file() {
-    aa_setup
-}
-
-# bats test_tags=useradd
 @test "useradd: Create a new user with the specified shell" {
     sudo useradd --shell /bin/bash --create-home user2
-    aa_check
 }
 
-# bats test_tags=useradd
 @test "useradd: Create a new user with the specified user ID" {
     sudo useradd --uid 3000 user3
-    aa_check
 }
 
-# bats test_tags=useradd
 @test "useradd: Create a new user belonging to additional groups (mind the lack of whitespace)" {
     sudo useradd --groups adm user4
-    aa_check
 }
 
-
-# bats test_tags=useradd
 @test "useradd: Create a new system user without the home directory" {
     sudo useradd --system sys2
-    aa_check
 }
 
-# bats test_tags=userdel
 @test "userdel: Remove a user" {
     sudo userdel user3
     sudo userdel user4
     sudo userdel sys2
-    aa_check
 }
 
-# bats test_tags=userdel
 @test "userdel: Remove a user along with the home directory and mail spool" {
     sudo userdel --remove user2
-    aa_check
 }