patchtest.README: update selftest section

Update the "Running Patchtest Selftest to include a cmdline example of
runing the selftest.

(From OE-Core rev: 5b2153c8467657ffe490c6b10a260b63d93f3296)

Signed-off-by: Trevor Woerner <twoerner@gmail.com>
Signed-off-by: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 12 insertions, 0 deletions

diff --git a/scripts/patchtest.README b/scripts/patchtest.README
index 30f7538529..fc1267f053 100644
--- a/scripts/patchtest.README
+++ b/scripts/patchtest.README
@@ -267,6 +267,18 @@ bitbake) in local.conf to reduce runtime, as the bitbake startup process
 will otherwise add to it significantly when restarted for each test
 patch.
 
+If you have setup a Python virtual environment and sourced the
+oe-init-build-env script to run patchtest following the directions
+provided above in the "Installation" section, and you have added the
+meta-selftest layer (from oe-core or poky) to your build, running the
+patchtest selftest is as simple as:
+
+    (patchtest.venv) $ yocto/openembedded-core/meta/lib/patchtest/selftest/selftest
+
+or:
+
+    (patchtest.venv) $ yocto/poky/meta/lib/patchtest/selftest/selftest
+
 ## Contributing
 
 The yocto mailing list (openembedded-core@lists.openembedded.org) is used for questions,