diff --git a/BUILD.bazel b/BUILD.bazel
index 246d44806..4b01d2814 100644
--- a/BUILD.bazel
+++ b/BUILD.bazel
@@ -50,6 +50,7 @@ filegroup(
         "//pkg/scheduler:all-srcs",
         "//pkg/util:all-srcs",
         "//test/e2e:all-srcs",
+        "//test/unit/gen:all-srcs",
         "//test/util:all-srcs",
         "//third_party:all-srcs",
         "//vendor:all-srcs",
diff --git a/pkg/controller/acmechallenges/BUILD.bazel b/pkg/controller/acmechallenges/BUILD.bazel
index 2e7bc4638..0a98387e4 100644
--- a/pkg/controller/acmechallenges/BUILD.bazel
+++ b/pkg/controller/acmechallenges/BUILD.bazel
@@ -42,8 +42,8 @@ go_test(
         "//pkg/acme/client:go_default_library",
         "//pkg/apis/certmanager/v1alpha1:go_default_library",
         "//pkg/controller/test:go_default_library",
+        "//test/unit/gen:go_default_library",
         "//third_party/crypto/acme:go_default_library",
-        "//vendor/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
         "//vendor/k8s.io/apimachinery/pkg/runtime:go_default_library",
         "//vendor/k8s.io/client-go/testing:go_default_library",
     ],
diff --git a/test/unit/gen/BUILD.bazel b/test/unit/gen/BUILD.bazel
new file mode 100644
index 000000000..1b39a9952
--- /dev/null
+++ b/test/unit/gen/BUILD.bazel
@@ -0,0 +1,30 @@
+load("@io_bazel_rules_go//go:def.bzl", "go_library")
+
+go_library(
+    name = "go_default_library",
+    srcs = [
+        "challenge.go",
+        "doc.go",
+        "objectmeta.go",
+    ],
+    importpath = "github.com/jetstack/cert-manager/test/unit/gen",
+    visibility = ["//visibility:public"],
+    deps = [
+        "//pkg/apis/certmanager/v1alpha1:go_default_library",
+        "//vendor/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
+    ],
+)
+
+filegroup(
+    name = "package-srcs",
+    srcs = glob(["**"]),
+    tags = ["automanaged"],
+    visibility = ["//visibility:private"],
+)
+
+filegroup(
+    name = "all-srcs",
+    srcs = [":package-srcs"],
+    tags = ["automanaged"],
+    visibility = ["//visibility:public"],
+)