tree 7858f367757928d3bd53520048120b4777f55c55
parent 8ccad171e66800e09d381954ae51d4c05fd07fa3
author Paul Pazderski <paul-eclipse@ppazderski.de> 1557325381 +0200
committer Paul Pazderski <paul-eclipse@ppazderski.de> 1569234529 -0400

Bug 550617 - [tests] Add helper method for preference changes

If a unit test need to change a preference a common pattern is to get
the current value, set the value for test and then ensure to reset the
old value after the test finished to not influence other tests. The
helper simplify this task.

Change-Id: Ifeb1731b9f44bfcb85cb61cae17da22116803dfb
Signed-off-by: Paul Pazderski <paul-eclipse@ppazderski.de>