[jhbuild] tests: Set JHBUILD_PREFIX, now tests pass

[Craig Keogh <cskeogh src gnome org>]

commit f28b85a2ce1a5ce536dcfe5e546e0d8e4f8e7ac6
Author: Craig Keogh <cskeogh adam com au>
Date:   Fri Jan 20 22:15:13 2012 +1030

    tests: Set JHBUILD_PREFIX, now tests pass

 tests/tests.py |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/tests/tests.py b/tests/tests.py
index 6980ca3..c8e0067 100644
--- a/tests/tests.py
+++ b/tests/tests.py
@@ -262,6 +262,7 @@ class BuildTestCase(JhbuildConfigTestCase):
         self.packagedb = None
         self.buildscript = None
         self.moduleset = None
+        os.environ['JHBUILD_PREFIX'] = self.config.prefix
 
     def tearDown(self):
         super(BuildTestCase, self).tearDown()