oeqa/core/decorator: add skip if not qemu-usermode

Add a decorator to skip tests which require the qemu-usermode machine
feature.

(From OE-Core rev: 3d79615d6c9ccb1ff3766ce05389bc22cbd656e1)

Signed-off-by: Adrian Freihofer <adrian.freihofer@siemens.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/lib/oeqa/core/decorator/data.py

@@ -185,6 +185,16 @@ class skipIfNotQemu(OETestDecorator):
         if not self.case.td.get('MACHINE', '').startswith('qemu'):
             self.case.skipTest('Test only runs on qemu machines')
 
+@registerDecorator
+class skipIfNotQemuUsermode(OETestDecorator):
+    """
+    Skip test if MACHINE_FEATURES does not contain qemu-usermode
+    """
+    def setUpDecorator(self):
+        self.logger.debug("Checking if MACHINE_FEATURES does not contain qemu-usermode")
+        if 'qemu-usermode' not in self.case.td.get('MACHINE_FEATURES', '').split():
+            self.case.skipTest('Test requires qemu-usermode in MACHINE_FEATURES')
+
 @registerDecorator
 class skipIfQemu(OETestDecorator):
     """