README: document how to run tests

https://bugzilla.gnome.org/show_bug.cgi?id=776710

diff --git a/README.md b/README.md
index 55f508b..a5d4103 100644 (file)
--- a/README.md
+++ b/README.md
@@ -63,6 +63,19 @@ Update all GStreamer modules without rebuilding:
 ninja -C build/ git-update
 ```
 
+## Run tests
+
+You can easily run the test of all the components:
+
+```
+mesontest -C build
+```
+
+Or to run a specific test:
+
+```
+mesontest -C build/ gst/gstbuffer
+```
 
 ## Add information about GStreamer development environment in your prompt line