tests/functional/test_arm_quanta_gsj: Fix broken test

ASSET_IMAGE needs to be prefixed with "self." ... this bug
apparently went in unnoticed because the test is not run by
default.

Message-ID: <[email protected]>
Reviewed-by: Philippe Mathieu-Daudé <[email protected]>
Signed-off-by: Thomas Huth <[email protected]>

Author: huth

tests/functional/test_arm_quanta_gsj.py

@@ -35,7 +35,7 @@ class EmcraftSf2Machine(LinuxKernelTest):
     @skipUnless(os.getenv('QEMU_TEST_TIMEOUT_EXPECTED'), 'Test might timeout')
     def test_arm_quanta_gsj(self):
         self.set_machine('quanta-gsj')
-        image_path = self.uncompress(ASSET_IMAGE, 'obmc.mtd', format='gz')
+        image_path = self.uncompress(self.ASSET_IMAGE, format='gz')
 
         self.vm.set_console()
         drive_args = 'file=' + image_path + ',if=mtd,bus=0,unit=0'