[autotest] blacklist 2 files from unittest_suite.py

CL adds 2 tests to utils/unittest_suite.py blacklist so that they are no
longer run as unit tests.

BUG=chromium:239255
TEST=Run utils/unittest_suite.py. chaos_base_test and chaos_interop_test
no longer show up as failing.

Change-Id: Ifef1b460dc48b6fb0094a37a4afb34a68619eeb6
Reviewed-on: https://gerrit.chromium.org/gerrit/50874
Commit-Queue: Aviv Keshet <akeshet@chromium.org>
Tested-by: Aviv Keshet <akeshet@chromium.org>
Reviewed-by: Tan Gao <tgao@chromium.org>
diff --git a/utils/unittest_suite.py b/utils/unittest_suite.py
index 57dd13a..9c9436c 100755
--- a/utils/unittest_suite.py
+++ b/utils/unittest_suite.py
@@ -85,7 +85,9 @@
 SKIP = set((
     # This particular KVM autotest test is not a unittest
     'guest_test.py',
-    'ap_configurator_test.py'
+    'ap_configurator_test.py',
+    'chaos_base_test.py',
+    'chaos_interop_test.py'
     ))
 
 LONG_TESTS = (REQUIRES_DJANGO |