Move scheduler fake artifacts to pkg/scheduler/testing

- move some fake artifacts from pkg/scheduler/core to pkg/scheduler/testing so it can be consumed
by core as well as plugin testings

Author: Huang-Wei

pkg/scheduler/core/BUILD

@@ -40,7 +40,6 @@ go_test(
     ],
     embed = [":go_default_library"],
     deps = [
-        "//pkg/api/v1/pod:go_default_library",
         "//pkg/controller/volume/scheduling:go_default_library",
         "//pkg/scheduler/apis/config:go_default_library",
         "//pkg/scheduler/framework/plugins/defaultbinder:go_default_library",