oeqa/core/runner: Improve test case comparision

We can directly compare the test case IDs rather than representations,
then if we're using subunit to split the tests, the comparisions still
work as intended.

(From OE-Core rev: 72e5f46f75454ba4c445c65c1cbc616a9e72fc6e)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/lib/oeqa/core/runner.py

@@ -88,10 +88,10 @@ class OETestResult(_TestResult):
                     break
                 scase_str = scase.test_id
             else:
-                if case == scase:
+                if case.id() == scase.id():
                     found = True
                     break
-                scase_str = str(scase)
+                scase_str = str(scase.id())
 
             # When fails at module or class level the class name is passed as string
             # so figure out to see if match