feat(cli/tools): add TAP test reporter (#14390) (#20073)

This PR adds a test reporter for the [Test Anything
Protocol](https://testanything.org).

It makes the following implementation decisions:
- No TODO pragma, as there is no such marker in `Deno.test`
- SKIP pragma for `ignore`d tests
- Test steps are treated as TAP14 subtests
  - Support for this in consumers seems spotty
- Some consumers will incorrectly interpret these markers, resulting in
unexpected output
- Considering the lack of support, and to avoid implementation
complexity,
subtests are at most one level deep (all test steps are in the same
subtest)
- To accommodate consumers that use comments to indicate test-suites
(unspecced)
  - The test module path is output as a comment
  - This is disabled for `--parallel` testing
- Failure diagnostics are output as JSON, which is also valid YAML
- The structure is not specified, so the format roughly follows the spec
example:
  ```
  ---
  message: "Failed with error 'hostname peebles.example.com not found'"
  severity: fail
  found:
    hostname: 'peebles.example.com'
    address: ~
  wanted:
    hostname: 'peebles.example.com'
    address: '85.193.201.85'
  at:
    file: test/dns-resolve.c
    line: 142
  ...
  ```
  

1 files changed, 19 insertions, 0 deletions

diff --git a/cli/tests/integration/test_tests.rs b/cli/tests/integration/test_tests.rs
index 04465dd53..030da05e1 100644
--- a/cli/tests/integration/test_tests.rs
+++ b/cli/tests/integration/test_tests.rs
@@ -356,6 +356,25 @@ itest!(steps_dot_ignored_steps {
   output: "test/steps/ignored_steps.dot.out",
 });
 
+itest!(steps_tap_passing_steps {
+  args: "test --reporter=tap test/steps/passing_steps.ts",
+  exit_code: 0,
+  output: "test/steps/passing_steps.tap.out",
+});
+
+itest!(steps_tap_failing_steps {
+  args: "test --reporter=tap test/steps/failing_steps.ts",
+  exit_code: 1,
+  envs: vec![("NO_COLOR".to_owned(), "1".to_owned())],
+  output: "test/steps/failing_steps.tap.out",
+});
+
+itest!(steps_tap_ignored_steps {
+  args: "test --reporter=tap test/steps/ignored_steps.ts",
+  exit_code: 0,
+  output: "test/steps/ignored_steps.tap.out",
+});
+
 itest!(steps_invalid_usage {
   args: "test test/steps/invalid_usage.ts",
   exit_code: 1,