Have all test case to use a single base class

* All test cases are able to share on the same config
* All test cases are permitted to use the testresources
	(after we have suitable TestSuite in Tempest)
* On resources name collusion the "resources" variable renamed to
  "os_resources"

Change-Id: I7acf2fac26eefe801a87bcbe4b1caacc762c59b9
diff --git a/tempest/testboto.py b/tempest/testboto.py
index 30c7e93..5625841 100644
--- a/tempest/testboto.py
+++ b/tempest/testboto.py
@@ -23,10 +23,9 @@
 from boto import ec2
 from boto import exception
 from boto import s3
-import testresources
-import testtools
 
 from tempest import exceptions
+import tempest.test
 import tempest.tests.boto
 from tempest.tests.boto.utils.wait import re_search_wait
 from tempest.tests.boto.utils.wait import state_wait
@@ -119,9 +118,7 @@
     return string + ")"
 
 
-class BotoTestCase(testtools.testcase.WithAttributes,
-                   testtools.TestCase,
-                   testresources.ResourcedTestCase):
+class BotoTestCase(tempest.test.BaseTestCase):
     """Recommended to use as base class for boto related test."""
 
     conclusion = tempest.tests.boto.generic_setup_package()