[Test][bssl] Test HMAC-SHA256 with test cases in RFC 4231

Bug: 301068421
Test: atest libbssl_avf_nostd.test
Change-Id: Iee1eabffdf782c6785ad5c6f0fb13f8df48b2cc5
diff --git a/libs/bssl/Android.bp b/libs/bssl/Android.bp
index 949c2c4..0a2f334 100644
--- a/libs/bssl/Android.bp
+++ b/libs/bssl/Android.bp
@@ -32,7 +32,7 @@
 rust_defaults {
     name: "libbssl_avf_test_defaults",
     crate_name: "bssl_avf_test",
-    srcs: ["tests/*.rs"],
+    srcs: ["tests/tests.rs"],
     test_suites: ["general-tests"],
     static_libs: [
         "libcrypto_baremetal",