Cleanup output of tests

test/core/end2end/cq_verifier.c

@@ -243,8 +243,10 @@ static void metadata_expectation(gpr_strvec *buf, metadata *md) {
       gpr_asprintf(&tmp, "%c%s:%s", i ? ',' : '{', md->keys[i], md->values[i]);
       gpr_strvec_add(buf, tmp);
     }
+    if (md->count) {
       gpr_strvec_add(buf, gpr_strdup("}"));
     }
+  }
 }
 
 static void expectation_to_strvec(gpr_strvec *buf, expectation *e) {