Relax backtrace nest levels

Author: nobu

test/irb/test_context.rb

@@ -462,7 +462,6 @@ def test_eval_input_with_exception
       if '2.5.0' <= RUBY_VERSION && RUBY_VERSION < '3.0.0' && STDOUT.tty?
         expected = [
           :*, /Traceback \(most recent call last\):\n/,
-          :*, /\t... 8 levels...\n/,
           :*, /\t 2: from \(irb\):1:in `<main>'\n/,
           :*, /\t 1: from \(irb\):1:in `hoge'\n/,
           :*, /\(irb\):1:in `fuga': unhandled exception\n/,
@@ -472,7 +471,7 @@ def test_eval_input_with_exception
           :*, /\(irb\):1:in `fuga': unhandled exception\n/,
           :*, /\tfrom \(irb\):1:in `hoge'\n/,
           :*, /\tfrom \(irb\):1:in `<main>'\n/,
-          :*, /\t... 8 levels...\n/,
+          :*
         ]
       end
       assert_pattern_list(expected, out)
@@ -494,7 +493,6 @@ def test_eval_input_with_invalid_byte_sequence_exception
       if '2.5.0' <= RUBY_VERSION && RUBY_VERSION < '3.0.0' && STDOUT.tty?
         expected = [
           :*, /Traceback \(most recent call last\):\n/,
-          :*, /\t... 8 levels...\n/,
           :*, /\t 2: from \(irb\):1:in `<main>'\n/,
           :*, /\t 1: from \(irb\):1:in `hoge'\n/,
           :*, /\(irb\):1:in `fuga': A\\xF3B \(RuntimeError\)\n/,
@@ -504,7 +502,7 @@ def test_eval_input_with_invalid_byte_sequence_exception
           :*, /\(irb\):1:in `fuga': A\\xF3B \(RuntimeError\)\n/,
           :*, /\tfrom \(irb\):1:in `hoge'\n/,
           :*, /\tfrom \(irb\):1:in `<main>'\n/,
-          :*, /\t... 8 levels...\n/,
+          :*
         ]
       end
       assert_pattern_list(expected, out)
@@ -532,7 +530,7 @@ def test_eval_input_with_long_exception
       if '2.5.0' <= RUBY_VERSION && RUBY_VERSION < '3.0.0' && STDOUT.tty?
         expected = [
           :*, /Traceback \(most recent call last\):\n/,
-          :*, /\t... 27 levels...\n/,
+          :*, /\t... \d+ levels...\n/,
           :*, /\t16: from \(irb\):1:in `a4'\n/,
           :*, /\t15: from \(irb\):1:in `a5'\n/,
           :*, /\t14: from \(irb\):1:in `a6'\n/,
@@ -570,7 +568,7 @@ def test_eval_input_with_long_exception
           :*, /\tfrom \(irb\):1:in `a6'\n/,
           :*, /\tfrom \(irb\):1:in `a5'\n/,
           :*, /\tfrom \(irb\):1:in `a4'\n/,
-          :*, /\t... 27 levels...\n/,
+          :*, /\t... \d+ levels...\n/,
         ]
       end
       assert_pattern_list(expected, out)