Flush caches after OEQA tests

Make sure that all changes a saved after running the tests.

Signed-off-by: Anton Antonov <Anton.Antonov@arm.com>
Signed-off-by: Armin Kuster <akuster808@gmail.com>

meta-parsec/lib/oeqa/runtime/cases/parsec.py

@@ -24,6 +24,10 @@ class ParsecTest(OERuntimeTestCase):
             self.parsec_status='pgrep -l parsec'
             self.parsec_reload='/etc/init.d/parsec reload'
 
+    def tearDown(self):
+        self.target.run('sync')
+        super(ParsecTest, self).tearDown()
+
     def copy_subconfig(self, cfg, provider):
         """ Copy a provider configuration to target and append it to Parsec config """