fix: Format non-error exceptions (#14604)

This commit adds "Deno.core.setFormatExceptionCallback" which
can be used to provide custom formatting for errors. It is useful
in cases when user throws something that is non-Error (eg.
a string, plain object, etc).

1 files changed, 6 insertions, 0 deletions

diff --git a/cli/tests/integration/test_tests.rs b/cli/tests/integration/test_tests.rs
index 3a7e71090..c63ee6e5a 100644
--- a/cli/tests/integration/test_tests.rs
+++ b/cli/tests/integration/test_tests.rs
@@ -387,3 +387,9 @@ itest!(check_local_by_default2 {
   http_server: true,
   exit_code: 1,
 });
+
+itest!(non_error_thrown {
+  args: "test --quiet test/non_error_thrown.ts",
+  output: "test/non_error_thrown.out",
+  exit_code: 1,
+});