Enable disabled Configure unit tests in OCPlatformTest.

Enable disabled Configure unit tests in OCPlatformTest.

Since all the functionalities called in these unit tests
are now available, enable these tests. Verification via
local tests has been done before enable any of these tests.

Change-Id: Ie5086e3394460452dd92199629017b30f1ef0030
Signed-off-by: Ziran Sun <ziran.sun@samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/10809
Tested-by: jenkins-iotivity <jenkins-iotivity@opendaylight.org>
Reviewed-by: Sungkyu Ko <sungkyu.ko@samsung.com>
Reviewed-by: Habib Virji <habib.virji@samsung.com>