remove skip attributes for fixed bug

1. remove skip attributes for test_run_terminate_instance

2. add forgotten changes for commit
   55c597db0f59fc7a3eaa7bec8bc7509f5a87c884
   (Fix InvalidInstanceID.NotFound handling)

Change-Id: I616a90f98e3874a09274d961345476d47d266db0
diff --git a/tempest/thirdparty/boto/test_ec2_instance_run.py b/tempest/thirdparty/boto/test_ec2_instance_run.py
index 33b8d6e..b2eb18d 100644
--- a/tempest/thirdparty/boto/test_ec2_instance_run.py
+++ b/tempest/thirdparty/boto/test_ec2_instance_run.py
@@ -193,7 +193,6 @@
             instance.terminate()
         self.cancelResourceCleanUp(rcuk)
 
-    @test.skip_because(bug="1098891")
     @test.attr(type='smoke')
     def test_run_terminate_instance(self):
         # EC2 run, terminate immediately
@@ -211,7 +210,7 @@
             pass
         except exception.EC2ResponseError as exc:
             if self.ec2_error_code.\
-                client.InvalidInstanceID.NotFound.match(exc):
+                client.InvalidInstanceID.NotFound.match(exc) is None:
                 pass
             else:
                 raise