Unit Test

Unit Test

 add gbs build option [--define 'run_tests 1']

 [  949s] ============================================================================
 [  949s] Testsuite summary for libxml2 2.9.4
 [  949s] ============================================================================
 [  949s] # TOTAL: 1385
 [  949s] # PASS : 1385
 [  949s] # FAIL : 0
 [  949s] # SKIP : 0
 [  949s] ============================================================================

[Model] All
[BinType] AP
[Customer] OPEN

[Issue#] N/A
[Request] N/A
[Occurrence Version] N/A

[Problem]
[Cause & Measure] unit test
[Checking Method] N/A

[Team] Open Source Management and Setting Part
[Developer] dh0128.kwak
[Solution company] Samsung
[Change Type] N/A

Change-Id: I49d293fc72b4b45054b6104e4bde238cb2e2019d
Signed-off-by: DongHun Kwak <dh0128.kwak@samsung.com>