build everything under //test/... and remove duplicate test binaries

test/BUILD

@@ -1,26 +1,5 @@
-load("//rules:rules_go.bzl", "go_binary")
 load("@io_bazel_rules_go//go:def.bzl", "go_library", "go_test")
-
-go_library(
-    name = "hello_lib",
-    srcs = ["hello.go"],
-    cgo = True,
-    importpath = "github.com/motiejus/bazel-zig-cc/test",
-    visibility = ["//visibility:private"],
-)
-
-go_binary(
-    name = "hello",
-    embed = [":test_lib"],
-    static = "on",
-    visibility = ["//visibility:public"],
-)
-
-go_test(
-    name = "test_test",
-    srcs = ["hello_test.go"],
-    embed = [":test_lib"],
-)
+load("//rules:rules_go.bzl", "go_binary")
 
 go_library(
     name = "test_lib",
@@ -29,3 +8,16 @@ go_library(
     importpath = "git.sr.ht/~motiejus/bazel-zig-cc/test",
     visibility = ["//visibility:private"],
 )
+
+go_binary(
+    name = "test",
+    static = "on",
+    embed = [":test_lib"],
+    visibility = ["//visibility:public"],
+)
+
+go_test(
+    name = "test_test",
+    srcs = ["hello_test.go"],
+    embed = [":test_lib"],
+)