diff -r 000000000000 -r 6474c204b198 testing/mozbase/mozprofile/tests/files/prefs_with_interpolation.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/testing/mozbase/mozprofile/tests/files/prefs_with_interpolation.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,4 @@
+user_pref("browser.foo", "http://{server}");
+user_pref("zoom.minPercent", 30);
+user_pref("webgl.verbose", "false");
+user_pref("browser.bar", "{abc}xyz");