Replaced depends-on with serial.

Author: svetlyak40wt

sento.asd

@@ -69,6 +69,7 @@
                "lparallel"
                "cl-mock")
   :components ((:module "tests"
+                :serial t
                 :components
                 ((:file "all-test")
                  (:file "miscutils-test")
@@ -97,8 +98,7 @@
                  (:file "actor-tree-test")
                  (:file "spawn-in-receive-test")
                  (:file "test-utils")
-                 (:file "message-box-test"
-                     :depends-on ("test-utils")))))
+                 (:file "message-box-test"))))
   :description "Test system for sento"
   :perform (test-op (op c) (symbol-call :fiveam :run!
                                         (uiop:find-symbol* '#:test-suite