diff --git a/doc/how_to_run.md b/doc/how_to_run.md
index 9c1506c..ea31909 100644
--- a/doc/how_to_run.md
+++ b/doc/how_to_run.md
@@ -32,3 +32,11 @@
 ```
 
 at the top of the source tree. It generates executable `gitbucket.war` into `target/executable`. We release this war file as release artifact.
+
+Run tests spec
+---------
+To run the full serie of tests, run the following command:
+
+```
+sbt test
+```