AFP_DBTools: Increase test timeout.

Test has been timing out in nightlies.

ForwardDetectors/AFP/AFP_DBTools/CMakeLists.txt

@@ -28,4 +28,5 @@ atlas_install_python_modules( python/*.py POST_BUILD_CMD ${ATLAS_FLAKE8} )
 
 atlas_add_test( flake8_scripts
                 SCRIPT flake8 --select=ATL,F,E7,E9,W6 ${CMAKE_CURRENT_SOURCE_DIR}/scripts
+                PROPERTIES TIMEOUT 300
                 POST_EXEC_SCRIPT nopost.sh )