fix(bench): added group banner to bench output. (#21551)

Added group banner to bench output.

---------

Co-authored-by: Bartek Iwańczuk <biwanczuk@gmail.com>

1 files changed, 15 insertions, 0 deletions

diff --git a/cli/tests/testdata/bench/multiple_group.ts b/cli/tests/testdata/bench/multiple_group.ts
new file mode 100644
index 000000000..69e73a7f2
--- /dev/null
+++ b/cli/tests/testdata/bench/multiple_group.ts
@@ -0,0 +1,15 @@
+Deno.bench("noop", { group: "noop" }, () => {});
+Deno.bench("noop2", { group: "noop", baseline: true }, () => {});
+
+Deno.bench("noop3", { group: "url" }, () => {});
+
+Deno.bench("parse url 2x", { group: "url", baseline: true }, () => {
+  new URL("https://deno.land/std/http/server.ts");
+  new URL("https://deno.land/std/http/server.ts");
+});
+
+Deno.bench("parse url 200x", { group: "url" }, () => {
+  for (let i = 0; i < 200; i++) {
+    new URL("https://deno.land/std/http/server.ts");
+  }
+});