feat(cli/tools/test_runner): add terse reporter (#11156)

This commit adds "--terse" flag to "deno test" that makes testing reporter
output one character per test case instead of one line per case.

This is an unstable feature.

1 files changed, 11 insertions, 0 deletions

diff --git a/cli/tests/test/terse.ts b/cli/tests/test/terse.ts
new file mode 100644
index 000000000..b2168a0d9
--- /dev/null
+++ b/cli/tests/test/terse.ts
@@ -0,0 +1,11 @@
+Deno.test("ok", function () {});
+
+Deno.test("fail", function () {
+  throw new Error("fail");
+});
+
+Deno.test({
+  name: "ignore",
+  fn() {},
+  ignore: true,
+});