docs(tests): Update docs how to test checkpassword command

docs/development/tests.md

@@ -8,6 +8,14 @@
 
 ## Test checkpassword script
 
+    # Start vagrant box and login
     vagrant up && vagrant ssh
-    bin/console doctrine:schema:create -n && bin/console doctrine:fixture:load -n && exit
-    cd .. && tests/test_checkpassword_login.sh
+    # Create DB schema and load fixtures
+    bin/console doctrine:schema:create
+    bin/console doctrine:fixture:load
+    # Run `app:users:checkpassword` locally. First should return `0`, second `1`
+    echo -en '[email protected]\0password' | ./bin/console app:users:checkpassword /bin/true; echo $?
+    echo -en '[email protected]\0wrong' | ./bin/console app:users:checkpassword /bin/true; echo $?
+    # Logout from vagrant and test via IMAP login
+    exit
+    ./tests/test_checkpassword_login.sh