Set test_base_fileurl_field (#190)

It seems it has been forgotten during the migration of
base_fileurl_field at 65cdd3d

setup/test_base_fileurl_field/odoo/addons/test_base_fileurl_field

@@ -0,0 +1 @@
+../../../../test_base_fileurl_field

setup/test_base_fileurl_field/setup.py

@@ -0,0 +1,6 @@
+import setuptools
+
+setuptools.setup(
+    setup_requires=['setuptools-odoo'],
+    odoo_addon=True,
+)

test_base_fileurl_field/__manifest__.py

@@ -14,6 +14,6 @@
         "views/res_partner.xml",
         "views/res_users.xml",
     ],
-    'installable': False,
+    'installable': True,
     'auto_install': False,
 }