Make config_validator macro a test target

Change-Id: Ie473f7297c6799c47775aab8a610d6a48d2ae425
Signed-off-by: James Kuszmaul <jabukuszmaul+collab@gmail.com>
diff --git a/y2023/BUILD b/y2023/BUILD
index 6be5cac..667b59d 100644
--- a/y2023/BUILD
+++ b/y2023/BUILD
@@ -2,9 +2,9 @@
 load("//aos:config.bzl", "aos_config")
 load("//tools/build_rules:template.bzl", "jinja2_template")
 load("@com_github_google_flatbuffers//:build_defs.bzl", "flatbuffer_cc_library")
-load("//aos/util:config_validator_macro.bzl", "config_validator_rule")
+load("//aos/util:config_validator_macro.bzl", "config_validator_test")
 
-config_validator_rule(
+config_validator_test(
     name = "config_validator_test",
     config = "//y2023:aos_config",
 )