oe-selftest: replace assertTrue(False, ...) with fail(...)

I'd somehow missed the existence of fail() when I wrote these. It's
preferable here so you don't get the somewhat useless "false is not
true" message in the case of failure.

(From OE-Core rev: 173a5896fff57136e1f15e15f90961416aadde94)

Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/meta/lib/oeqa/selftest/devtool.py b/meta/lib/oeqa/selftest/devtool.py
index 947d8eecf1..70ee634c71 100644
--- a/meta/lib/oeqa/selftest/devtool.py
+++ b/meta/lib/oeqa/selftest/devtool.py
@@ -51,7 +51,7 @@ class DevtoolBase(oeSelfTest):
                 bbappendfile = bbappend
                 break
         else:
-            self.assertTrue(False, 'bbappend for recipe %s does not seem to be created in test layer' % testrecipe)
+            self.fail('bbappend for recipe %s does not seem to be created in test layer' % testrecipe)
         return bbappendfile
 
     def _create_temp_layer(self, templayerdir, addlayer, templayername, priority=999, recipepathspec='recipes-*/*'):