Stop using ../../test_common to include common headers

Fixes #395.

Signed-off-by: Kevin Petit <kevin.petit@arm.com>

test_conformance/non_uniform_work_group/main.cpp

@@ -15,7 +15,7 @@
 //
 #include "procs.h"
 #include "tools.h"
-#include "../../test_common/harness/testHarness.h"
+#include "harness/testHarness.h"
 #include "TestNonUniformWorkGroup.h"
 
 test_definition test_list[] = {

test_conformance/non_uniform_work_group/procs.h

@@ -13,7 +13,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 //
-#include "../../test_common/harness/typeWrappers.h"
+#include "harness/typeWrappers.h"
 
 extern int test_non_uniform_1d_basic(cl_device_id deviceID, cl_context context, cl_command_queue queue, int num_elements);
 extern int test_non_uniform_1d_atomics(cl_device_id deviceID, cl_context context, cl_command_queue queue, int num_elements);

test_conformance/non_uniform_work_group/tools.cpp

@@ -15,7 +15,7 @@
 //
 #include "tools.h"
 #include <sstream>
-#include "../../test_common/harness/errorHelpers.h"
+#include "harness/errorHelpers.h"
 
 PrimeNumbersCollection PrimeNumbers::primeNumbers;
 // Method generates prime numbers using Sieve of Eratosthenes algorithm