Bug 492915 - [USS] Inconsistent cache after uploading empty blob

Cause cache to be initialized even for empty data
Adds test.

Bug: 492915
Change-Id: Ic883b4a0b1ae5c473d5557f998b0dcdf8d33fa43
Task-Url: https://bugs.eclipse.org/bugs/show_bug.cgi?id=492915
Signed-off-by: Carsten Reckord <reckord@yatta.de>
Signed-off-by: Brian de Alwis <bsd@mt.ca>
2 files changed