Fix conditionals integration test. (#53583)

* Fix inventory for conditionals test.
* Remove extra groups from conditionals test.

test/integration/targets/conditionals/aliases

@@ -1,3 +1 @@
 shippable/posix/group1
-shippable/posix/group2
-shippable/posix/group3

test/integration/targets/conditionals/inventory

@@ -1,5 +0,0 @@
-# Do not put test specific entries in this inventory file.
-# For script based test targets (using runme.sh) put the inventory file in the test's directory instead.
-
-[testgroup]
-testhost ansible_connection=local

test/integration/targets/conditionals/runme.sh

@@ -2,5 +2,5 @@
 
 set -eux
 
-ANSIBLE_CONDITIONAL_BARE_VARS=1 ansible-playbook -i inventory play.yml "$@"
-ANSIBLE_CONDITIONAL_BARE_VARS=0 ansible-playbook -i inventory play.yml "$@"
+ANSIBLE_CONDITIONAL_BARE_VARS=1 ansible-playbook -i ../../inventory play.yml "$@"
+ANSIBLE_CONDITIONAL_BARE_VARS=0 ansible-playbook -i ../../inventory play.yml "$@"