Add test for depends

setup.py

@@ -60,4 +60,6 @@ setup(name='trytond_account_invoice_history',
     [trytond.modules]
     account_invoice_history = trytond.modules.account_invoice_history
     """,
+    test_suite='tests',
+    test_loader='trytond.test_loader:Loader',
 )

tests/__init__.py

@@ -0,0 +1,4 @@
+#This file is part of Tryton.  The COPYRIGHT file at the top level of
+#this repository contains the full copyright notices and license terms.
+
+from test_account_invoice_history import suite

tests/test_account_invoice_history.py

@@ -0,0 +1,37 @@
+#!/usr/bin/env python
+#This file is part of Tryton.  The COPYRIGHT file at the top level of
+#this repository contains the full copyright notices and license terms.
+
+import sys, os
+DIR = os.path.abspath(os.path.normpath(os.path.join(__file__,
+    '..', '..', '..', '..', '..', 'trytond')))
+if os.path.isdir(DIR):
+    sys.path.insert(0, os.path.dirname(DIR))
+
+import unittest
+import trytond.tests.test_tryton
+from trytond.tests.test_tryton import test_depends
+
+
+class AccountInvoiceHistoryTestCase(unittest.TestCase):
+    '''
+    Test AccountInvoiceHistory module.
+    '''
+
+    def setUp(self):
+        trytond.tests.test_tryton.install_module('account_invoice_history')
+
+    def test0006depends(self):
+        '''
+        Test depends.
+        '''
+        test_depends()
+
+def suite():
+    suite = trytond.tests.test_tryton.suite()
+    suite.addTests(unittest.TestLoader().loadTestsFromTestCase(
+        AccountInvoiceHistoryTestCase))
+    return suite
+
+if __name__ == '__main__':
+    unittest.TextTestRunner(verbosity=2).run(suite())