Index: rosdep-0.19.0/test/test_rosdep_gentoo.py
===================================================================
--- rosdep-0.19.0.orig/test/test_rosdep_gentoo.py
+++ rosdep-0.19.0/test/test_rosdep_gentoo.py
@@ -183,13 +183,11 @@ def test_PortageInstaller():
 
         mock_method.return_value = ['a', 'b']
 
-        expected = [['sudo', '-H', 'emerge', 'a'],
-                    ['sudo', '-H', 'emerge', 'b']]
+        expected = [['sudo', '-H', 'emerge', 'a', 'b']]
         val = installer.get_install_command(['whatever'], interactive=False)
         assert val == expected, val
 
-        expected = [['sudo', '-H', 'emerge', '-a', 'a'],
-                    ['sudo', '-H', 'emerge', '-a', 'b']]
+        expected = [['sudo', '-H', 'emerge', '-a', 'a', 'b']]
         val = installer.get_install_command(['whatever'], interactive=True)
         assert val == expected, val