Fix : take the folder name instead of a full path filename

cmake/test.cmake

@@ -3,9 +3,12 @@ set(MAYA_USD_DIR ${CMAKE_CURRENT_SOURCE_DIR})
 if(MayaUsd_FOUND)
     if(IS_MACOSX OR IS_LINUX) 
         #When MayaUsd_FOUND is true, MAYAUSDAPI_LIBRARY exists as it is required. 
-        #So add MAYAUSDAPI_LIBRARY (the path where maya USD library files are) to the ADDITIONAL_LD_LIBRARY_PATH which is used to run the tests
+	    #MAYAUSDAPI_LIBRARY is the full path name of the maya USD API shared library, so get only its directory into MAYAUSDAPI_LIBRARY_PATH
+	    get_filename_component(MAYAUSDAPI_LIBRARY_PATH "${MAYAUSDAPI_LIBRARY}" DIRECTORY)
+
+        #So add MAYAUSDAPI_LIBRARY_PATH to the ADDITIONAL_LD_LIBRARY_PATH which is used to run the tests
         set(CURRENT_ADDITIONAL_LD_LIBRARY_PATH $ENV{ADDITIONAL_LD_LIBRARY_PATH})
-        set(ADDITIONAL_LD_LIBRARY_PATH "${CURRENT_ADDITIONAL_LD_LIBRARY_PATH}:${MAYAUSDAPI_LIBRARY}")
+        set(ADDITIONAL_LD_LIBRARY_PATH "${CURRENT_ADDITIONAL_LD_LIBRARY_PATH}:${MAYAUSDAPI_LIBRARY_PATH}")
         # Export the new value to the environment
         set(ENV{ADDITIONAL_LD_LIBRARY_PATH} ${ADDITIONAL_LD_LIBRARY_PATH})
         message(STATUS "ADDITIONAL_LD_LIBRARY_PATH is now : ${ADDITIONAL_LD_LIBRARY_PATH}")