Inspector tests need not provision afterwards

Currently our introspection scenario test tries to do a lot in serial; a
full node inspection followed by provisioning the node. We should just
ensure the node gets back to AVAILABLE and consider that good enough.

Change-Id: I8c82bec61ad6a8465a3142b904bc444bca89a967
diff --git a/ironic_tempest_plugin/tests/scenario/test_introspection_basic.py b/ironic_tempest_plugin/tests/scenario/test_introspection_basic.py
index f30b5e0..44b8f98 100644
--- a/ironic_tempest_plugin/tests/scenario/test_introspection_basic.py
+++ b/ironic_tempest_plugin/tests/scenario/test_introspection_basic.py
@@ -61,9 +61,6 @@
             * Verifies all properties are inspected
             * Verifies introspection data
             * Sets node to available state
-            * Creates a keypair
-            * Boots an instance using the keypair
-            * Deletes the instance
 
         """
         # prepare introspection rule
@@ -103,11 +100,6 @@
                 timeout=CONF.baremetal.active_timeout,
                 interval=self.wait_provisioning_state_interval)
 
-        self.wait_for_nova_aware_of_bvms()
-        self.add_keypair()
-        ins, _node = self.boot_instance()
-        self.terminate_instance(ins)
-
     @decorators.idempotent_id('70ca3070-184b-4b7d-8892-e977d2bc2870')
     def test_introspection_abort(self):
         """This smoke test case follows this very basic set of operations: