tests: cleanup the basic structure of integration tests.

tests/bats/ps.bats

@@ -5,42 +5,26 @@
 
 load common
 
-setup_file() {
-    aa_setup
-}
-
-# bats test_tags=ps
 @test "ps: List all running processes" {
     ps aux
-    aa_check
 }
 
-# bats test_tags=ps
 @test "ps: List all running processes including the full command string" {
     ps auxww
-    aa_check
 }
 
-# bats test_tags=ps
 @test "ps: List all processes of the current user in extra full format" {
     ps --user "$(id -u)" -F
-    aa_check
 }
 
-# bats test_tags=ps
 @test "ps: List all processes of the current user as a tree" {
     ps --user "$(id -u)" -f
-    aa_check
 }
 
-# bats test_tags=ps
 @test "ps: Get the parent PID of a process" {
     ps -o ppid= -p 1
-    aa_check
 }
 
-# bats test_tags=ps
 @test "ps: Sort processes by memory consumption" {
     ps auxww --sort size
-    aa_check
 }