commons-io dependency should be scope=test
commons-io dependency should be scope=test

The classes are used in tests only, the dependency should be
scoped appropriately.

Change-Id: Icc0f2eca5296de62586f547363843b8e98cbac4e
Signed-off-by: Robert Varga <91ae5aa8c7a9f7e57b701db766e23e544aaa6ae9@pantheon.tech>

opendaylight/controller