tests: support for expected failures

- Add support for @unittest.expectedFailure decorator.

Type: improvement

Signed-off-by: Klement Sekera <klement.sekera@gmail.com>
Change-Id: I761751cda505e962225dc680b97c1fffa96f5176
Signed-off-by: Dave Wallace <dwallacelf@gmail.com>

test/test_result_code.py

@@ -0,0 +1,15 @@
+#!/usr/bin/python3
+
+from enum import IntEnum, auto, unique
+
+
+@unique
+class TestResultCode(IntEnum):
+    PASS = auto()
+    FAIL = auto()
+    ERROR = auto()
+    SKIP = auto()
+    TEST_RUN = auto()
+    SKIP_CPU_SHORTAGE = auto()
+    EXPECTED_FAIL = auto()
+    UNEXPECTED_PASS = auto()