Skip the spread tests on platforms that aren't using the new test workflow.

These statuses should be more specific, but this should get the bots
green first.

Change-Id: Ifa734f74f866974332b2926398f2a01eb0707ac7
Reviewed-on: https://dart-review.googlesource.com/c/91767
Reviewed-by: Vijay Menon <[email protected]>
Commit-Queue: Bob Nystrom <[email protected]>

Author: munificent

tests/language_2/language_2_kernel.status

@@ -237,6 +237,7 @@ set_literals/invalid_set_literal_test/31: MissingCompileTimeError # Requires con
 set_literals/invalid_set_literal_test/32: MissingCompileTimeError # Requires constant evaluation
 set_literals/invalid_set_literal_test/33: MissingCompileTimeError # Requires constant evaluation
 set_literals/invalid_set_literal_test/34: MissingCompileTimeError # Requires constant evaluation
+spread_collections/*: Skip # Spread isn't implemented yet. TODO: Triage more precisely.
 syntax_test/28: MissingCompileTimeError # Issue 29763 - low priority
 syntax_test/29: MissingCompileTimeError # Issue 29763 - low priority
 syntax_test/30: MissingCompileTimeError # Issue 29763 - low priority

tests/language_2/language_2_vm.status

@@ -20,6 +20,7 @@ assertion_initializer_const_error2_test/cc11: MissingCompileTimeError # Not repo
 async_star/async_star_await_for_test: RuntimeError
 async_star/async_star_cancel_test: RuntimeError
 async_star/async_star_test: RuntimeError
+spread_collections/*: Skip # Spread isn't implemented in the VM yet. TODO: Triage more precisely.
 
 [ $arch == arm64 && $runtime == vm ]
 closure_cycles_test: Pass, Slow