diff --git a/tests/shared/README.txt b/tests/fixtures/README.txt
similarity index 100%
rename from tests/shared/README.txt
rename to tests/fixtures/README.txt
diff --git a/tests/shared/os/db.php b/tests/fixtures/os/db.php
similarity index 100%
rename from tests/shared/os/db.php
rename to tests/fixtures/os/db.php
diff --git a/tests/unit/backend/README.txt b/tests/unit/backend/README.txt
new file mode 100644
index 000000000..4fc8a25c7
--- /dev/null
+++ b/tests/unit/backend/README.txt
@@ -0,0 +1,2 @@
+Use this folder to store the backend test units (PHPUnit).
+This folder must reflect the directory structure of the project.
diff --git a/tests/unit/gulliver/system/GTest.php b/tests/unit/backend/gulliver/system/GTest.php
similarity index 100%
rename from tests/unit/gulliver/system/GTest.php
rename to tests/unit/backend/gulliver/system/GTest.php
diff --git a/tests/unit/gulliver/system/PHPSQLParserTest.php b/tests/unit/backend/gulliver/system/PHPSQLParserTest.php
similarity index 100%
rename from tests/unit/gulliver/system/PHPSQLParserTest.php
rename to tests/unit/backend/gulliver/system/PHPSQLParserTest.php
diff --git a/tests/unit/gulliver/system/dynaFormHandlerTest.php b/tests/unit/backend/gulliver/system/dynaFormHandlerTest.php
similarity index 100%
rename from tests/unit/gulliver/system/dynaFormHandlerTest.php
rename to tests/unit/backend/gulliver/system/dynaFormHandlerTest.php
diff --git a/tests/unit/gulliver/system/i18n_POTest.php b/tests/unit/backend/gulliver/system/i18n_POTest.php
similarity index 100%
rename from tests/unit/gulliver/system/i18n_POTest.php
rename to tests/unit/backend/gulliver/system/i18n_POTest.php
diff --git a/tests/unit/workflow/engine/classes/AppSolrTest.php b/tests/unit/backend/workflow/engine/classes/AppSolrTest.php
similarity index 100%
rename from tests/unit/workflow/engine/classes/AppSolrTest.php
rename to tests/unit/backend/workflow/engine/classes/AppSolrTest.php
diff --git a/tests/unit/frontend/README.txt b/tests/unit/frontend/README.txt
new file mode 100644
index 000000000..e2ee5f5e8
--- /dev/null
+++ b/tests/unit/frontend/README.txt
@@ -0,0 +1,2 @@
+Use this folder to include the front end test units. (Jasmine)
+The structure inside this folder must reflect the proyect structure.