[gtk-doc] tests: fix deprecation warning and make text executable

[Stefan Sauer <stefkost src gnome org>]

commit f13318f30370cbcd8ad2fe662572f553fac60152
Author: Stefan Sauer <ensonic users sf net>
Date:   Wed Dec 12 21:06:36 2018 +0100

    tests: fix deprecation warning and make text executable

 tests/common.py | 8 ++++----
 tests/scan.py   | 0
 2 files changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/tests/common.py b/tests/common.py
index 20b1558..f8a360f 100755
--- a/tests/common.py
+++ b/tests/common.py
@@ -49,19 +49,19 @@ class TestGetModuleDocDir(unittest.TestCase):
     @mock.patch('subprocess.check_output')
     def test_ReturnsPath(self, subprocess_check_output):
         subprocess_check_output.return_value = '/usr'
-        self.assertEquals(common.GetModuleDocDir('glib-2.0'), '/usr/share/gtk-doc/html')
+        self.assertEqual(common.GetModuleDocDir('glib-2.0'), '/usr/share/gtk-doc/html')
 
 
 class TestCreateValidSGMLID(unittest.TestCase):
 
     def test_AlreadyValid(self):
-        self.assertEquals(common.CreateValidSGMLID('x'), 'x')
+        self.assertEqual(common.CreateValidSGMLID('x'), 'x')
 
     def test_SpecialCharsBecomeDash(self):
-        self.assertEquals(common.CreateValidSGMLID('x_ y'), 'x--y')
+        self.assertEqual(common.CreateValidSGMLID('x_ y'), 'x--y')
 
     def test_SpecialCharsGetRemoved(self):
-        self.assertEquals(common.CreateValidSGMLID('x,;y'), 'xy')
+        self.assertEqual(common.CreateValidSGMLID('x,;y'), 'xy')
 
 
 if __name__ == '__main__':
diff --git a/tests/scan.py b/tests/scan.py
old mode 100644
new mode 100755