add unittest/toolchains/BUILD as a test dep
diff --git a/BUILD b/BUILD
index 9dbe12d..ad98f37 100644
--- a/BUILD
+++ b/BUILD
@@ -15,6 +15,7 @@
     srcs = [
         "BUILD",
         "//lib:test_deps",
+        "//toolchains/unittest:test_deps",
     ] + glob(["*.bzl"]),
 )
 
diff --git a/toolchains/unittest/BUILD b/toolchains/unittest/BUILD
index 19b1043..c90c66e 100644
--- a/toolchains/unittest/BUILD
+++ b/toolchains/unittest/BUILD
@@ -47,3 +47,12 @@
     toolchain = ":bash",
     toolchain_type = TOOLCHAIN_TYPE,
 )
+
+filegroup(
+    name = "test_deps",
+    testonly = True,
+    srcs = [
+        "BUILD",
+    ],
+    visibility = ["//:__pkg__"],    
+)