Skip failing ARM testcases for CI

There are a few tests that fail on ARM and thus we can't enable testing
in CI. Skip the failing tests until they're fixed so that we catch new
failures in CI (when we enable testing for the remaining tests).

Change-Id: Ie896ef5c449ef965029633e38d317a8d5ac26352
Signed-off-by: juraj.linkes <juraj.linkes@pantheon.tech>

test/framework.py

@@ -12,6 +12,7 @@ import faulthandler
 import random
 import copy
 import psutil
+import platform
 from collections import deque
 from threading import Thread, Event
 from inspect import getdoc, isclass
@@ -133,6 +134,14 @@ def pump_output(testclass):
         # of properly terminating the loop
 
 
+def is_skip_aarch64_set():
+    return os.getenv('SKIP_AARCH64', 'n').lower() in ('yes', 'y', '1')
+
+
+def is_platform_aarch64():
+    return platform.machine() == 'aarch64'
+
+
 def running_extended_tests():
     s = os.getenv("EXTENDED_TESTS", "n")
     return True if s.lower() in ("y", "yes", "1") else False