Enable add_test in SystemC

Change-Id: Ib0d6bda5e663782b4cc66ea87a40a80eabdd830e
diff --git a/tests/tflm/BUILD b/tests/tflm/BUILD
index aeb826e..c8320f4 100644
--- a/tests/tflm/BUILD
+++ b/tests/tflm/BUILD
@@ -7,8 +7,7 @@
     srcs = [
         "@tflite-micro//tensorflow/lite/micro/kernels:add_test.cc",
     ],
-    # TODO(b/295921340): Re-enable HW test.
-    hw_test_tags = ["broken"],
+    hw_test_size = "large",
     deps = [
         "//crt:crt_header",
         "@tflite-micro//tensorflow/lite/c:common",