0047302: It is required to add an API to test state actions prehooks

diff --git a/web-test/base/state-utils.js b/web-test/base/state-utils.js
index 3cfcc42e..15d696d7 100644
--- a/web-test/base/state-utils.js
+++ b/web-test/base/state-utils.js
@@ -1,6 +1,6 @@
 /*
  ************************************************************************************
- * Copyright (C) 2020 Openbravo S.L.U.
+ * Copyright (C) 2020-2021 Openbravo S.L.U.
  * Licensed under the Openbravo Commercial License version 1.0
  * You may obtain a copy of the License at http://www.openbravo.com/legal/obcl.html
  * or in the legal folder of this module distribution.
@@ -34,6 +34,31 @@ exports.executeActionPreparations = async (action, state, payload, options) => {
   return resultPayload;
 };
 
+/**
+ * Utility function that executes all pre action hooks. PreHooks are executed just before the
+ * action has been executed.
+ * Note that this implementation does not handle rollbacks when a preparation function fails.
+ *
+ * @param action {Object} - Action object taken from OB.App.StateAPI
+ * @param state {Object} - The current global state
+ * @param model {Object} - The initial model
+ * @return {Object} - The resulting state model after applying the pre hooks
+ */
+exports.executeActionPreHooks = (action, state, model, options) => {
+  let resultModel = { ...model };
+
+  const hooks = action.preHooks.map(hook => hook.apply);
+  // In this loop we cannot use forEach as it not promise-aware.
+  // In addition, here is required to execute all hooks sequentially.
+  // eslint-disable-next-line no-restricted-syntax
+  for (const hook of hooks) {
+    // eslint-disable-next-line no-await-in-loop
+    resultModel = hook(state, resultModel, options);
+  }
+
+  return resultModel;
+};
+
 /**
  * Utility function that executes all post action hooks. PostHooks are executed just before the
  * state is saved, after the action has been executed.