Fixed path issue with kernel file in test_opencl.py

Author: smistad

source/FAST/Python/Tests/test_opencl.py

@@ -14,7 +14,7 @@ def __init__(self, useIndex=False, missingArgument=False, loadFromFile=False):
 
         # Create an image invert OpenCL kernel
         if loadFromFile:
-            self.createOpenCLProgram('opencl_kernel.cl')
+            self.createOpenCLProgram(os.path.join(os.path.dirname(os.path.abspath(__file__)), 'opencl_kernel.cl'))
         else:
             self.createInlineOpenCLProgram(
                 '''