example/cmake: rename Python examples

examples/CMakeLists.txt

@@ -61,6 +61,6 @@ IF(BUILD_PYTHON_INTERFACE)
   ENDIF(HPP_FCL_FOUND)
 
   FOREACH(EXAMPLE ${${PROJECT_NAME}_PYTHON_EXAMPLES})
-    ADD_PYTHON_UNIT_TEST("py-example-${EXAMPLE}" "examples/${EXAMPLE}.py" "bindings/python")
+    ADD_PYTHON_UNIT_TEST("example-py-${EXAMPLE}" "examples/${EXAMPLE}.py" "bindings/python")
   ENDFOREACH(EXAMPLE ${${PROJECT_NAME}_PYTHON_EXAMPLES})
 ENDIF(BUILD_PYTHON_INTERFACE)