oeqa/runtime/case: Don't use OEQA framework internal methods

The OEQA framework has internal methods for provide functionality
in decorators so Test components aren't expected to override it.

Use the base unittest methods for setUp and tearDown.

(From OE-Core rev: 21df9f0f6d6272adc6131cdc113000a5e6ac9d46)

Signed-off-by: Aníbal Limón <anibal.limon@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/lib/oeqa/runtime/case.py

@@ -8,10 +8,10 @@ class OERuntimeTestCase(OETestCase):
     # target instance set by OERuntimeTestLoader.
     target = None
 
-    def _oeSetUp(self):
-        super(OERuntimeTestCase, self)._oeSetUp()
+    def setUp(self):
+        super(OERuntimeTestCase, self).setUp()
         install_package(self)
 
-    def _oeTearDown(self):
-        super(OERuntimeTestCase, self)._oeTearDown()
+    def tearDown(self):
+        super(OERuntimeTestCase, self).tearDown()
         uninstall_package(self)