skip DeepCallstackTest

Slow machine or debug enabled Ruby binary can't run correctly, so
skip it.

Author: ko1

test/console/control_flow_commands_test.rb

@@ -455,7 +455,8 @@ def test_until_method
   # Tests that next/finish work for a deep call stack.
   # We use different logic for computing frame depth when the call stack is above/below 4096.
   #
-  if RUBY_VERSION >= '3.0.0'
+  if false # RUBY_VERSION >= '3.0.0'
+    # This test fails on slow machine or assertion enables Ruby, so skip it.
     class DeepCallstackTest < ConsoleTestCase
       def program
         <<~RUBY