Refine to just be a HPACK benchmark
diff --git a/tools/run_tests/run_microbenchmark.py b/tools/run_tests/run_microbenchmark.py
index c524776..8b74d31 100755
--- a/tools/run_tests/run_microbenchmark.py
+++ b/tools/run_tests/run_microbenchmark.py
@@ -199,7 +199,12 @@
                   default=sorted(collectors.keys()),
                   help='Which collectors should be run against each benchmark')
 argp.add_argument('-b', '--benchmarks',
-                  default=['bm_fullstack', 'bm_closure', 'bm_cq', 'bm_call_create', 'bm_error'],
+                  default=['bm_fullstack',
+                           'bm_closure',
+                           'bm_cq',
+                           'bm_call_create',
+                           'bm_error',
+                           'bm_chttp2_hpack'],
                   nargs='+',
                   type=str,
                   help='Which microbenchmarks should be run')