lib/oeqa/runtime: image sanity tests

These are basic sanity tests. A test can be force run by setting
TEST_SUITES = "ping ssh <module-name>" in local.conf.
By default there are suites for minimal, sato and sato-sdk images.

(From OE-Core rev: dd3dc2804395f050df74fa936e65ce5e911442eb)

Signed-off-by: Stefan Stanacar <stefanx.stanacar@intel.com>
Signed-off-by: Radu Moisan <radu.moisan@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/lib/oeqa/runtime/dmesg.py

@@ -0,0 +1,13 @@
+import unittest
+from oeqa.oetest import oeRuntimeTest
+from oeqa.utils.decorators import *
+
+def setUpModule():
+    skipModuleUnless(oeRuntimeTest.tc.target.run('which dmesg')[0] == 0, "No dmesg in image or no connection")
+
+class DmesgTest(oeRuntimeTest):
+
+    @skipUnlessPassed('test_ssh')
+    def test_dmesg(self):
+        (status, output) = self.target.run('dmesg | grep -v mmci-pl18x | grep -i error')
+        self.assertEqual(status, 1, msg = "Error messages in dmesg log: %s" % output)