don't pass every test arg to test-float-parse

Signed-off-by: onur-ozkan <work@onurozkan.dev>

src/bootstrap/src/core/build_steps/test.rs

@@ -3599,12 +3599,8 @@ impl Step for TestFloatParse {
             &[],
         );
 
-        cargo_run.arg("--");
-        if builder.config.args().is_empty() {
-            // By default, exclude tests that take longer than ~1m.
-            cargo_run.arg("--skip-huge");
-        } else {
-            cargo_run.args(builder.config.args());
+        if !matches!(env::var("FLOAT_PARSE_TESTS_NO_SKIP_HUGE").as_deref(), Ok("1") | Ok("true")) {
+            cargo_run.args(["--", "--skip-huge"]);
         }
 
         cargo_run.into_cmd().run(builder);