test: run unit tests with DENO_FUTURE=1 (#24400)

This commit adds another test suite that runs all Deno unit tests
with `DENO_FUTURE=1` flag to ensure all APIs are working as
expected, once Deno 2 is released.

---------

Co-authored-by: Divy Srivastava <dj.srivastava23@gmail.com>

1 files changed, 10 insertions, 0 deletions

diff --git a/tests/integration/js_unit_tests.rs b/tests/integration/js_unit_tests.rs
index cbae4a0b8..bc6c5bdae 100644
--- a/tests/integration/js_unit_tests.rs
+++ b/tests/integration/js_unit_tests.rs
@@ -117,6 +117,10 @@ util::unit_test_factory!(
 );
 
 fn js_unit_test(test: String) {
+  js_unit_test_inner(test, false);
+}
+
+pub fn js_unit_test_inner(test: String, future: bool) {
   let _g = util::http_server();
 
   let deno = util::deno_cmd()
@@ -129,6 +133,12 @@ fn js_unit_test(test: String) {
     .arg("--location=http://127.0.0.1:4545/")
     .arg("--no-prompt");
 
+  let deno = if future {
+    deno.env("DENO_FUTURE", "1")
+  } else {
+    deno
+  };
+
   // TODO(mmastrac): it would be better to just load a test CA for all tests
   let deno = if test == "websocket_test" || test == "tls_sni_test" {
     deno.arg("--unsafely-ignore-certificate-errors")