tests: cleanup the basic structure of integration tests.

tests/bats/uptime.bats

@@ -5,31 +5,19 @@
 
 load common
 
-setup_file() {
-    aa_setup
-}
-
-# bats test_tags=uptime
 @test "uptime: Print current time, uptime, number of logged-in users and other information" {
     uptime
-    aa_check
 }
 
-# bats test_tags=uptime
 @test "uptime: Show only the amount of time the system has been booted for" {
     uptime --pretty
-    aa_check
 }
 
-# bats test_tags=uptime
 @test "uptime: Print the date and time the system booted up at" {
     uptime --since
-    aa_check
 }
 
-# bats test_tags=uptime
 @test "uptime: Display version" {
     uptime --version
-    aa_check
 }