RubyProf test method to demonstrate odd CallInfo behavior

1. Diff of test file

diff --git a/test/call_info_test.rb b/test/call_info_test.rb
index 5914da4..f9839e1 100644
--- a/test/call_info_test.rb
+++ b/test/call_info_test.rb
@@ -22,9 +22,37 @@ class CallInfoTest < Test::Unit::TestCase
 #    assert_equal(call_info.total_time, call_info_clone.total_time)
 #  end
 
+  class AceOfSpades
+    def initialize
+      a
+    end
+
+    def a
+    end
+  end
+
+
+  class QueenOfDiamonds
+    def initialize
+      a
+    end
+
+    def a
+    end
+  end
+
+  def test_call_info_printer
+    result1 = RubyProf.profile do
+      AceOfSpades.new
+      QueenOfDiamonds.new
+    end
+    puts RubyProf::CallInfoPrinter.new(result1).print
+  end
+
   def test_merge

2. Real Result

$ ruby test/call_info_test.rb 
Run options: --seed 48466

# Running tests:

Thread ID: 2151955260
Total Time: 5.793571472167969e-05
Sort by: total_time

CallInfoTest#test_call_info_printer (tt:0.00, st:0.00, wt:0.00, ct:0.00, call:1, rec:false)
  Class#new (tt:0.00, st:0.00, wt:0.00, ct:0.00, call:2, rec:false)
    <Class::BasicObject>#allocate (tt:0.00, st:0.00, wt:0.00, ct:0.00, call:2, rec:false)
    CallInfoTest::AceOfSpades#initialize (tt:0.00, st:0.00, wt:0.00, ct:0.00, call:1, rec:false)
      CallInfoTest::AceOfSpades#a (tt:0.00, st:0.00, wt:0.00, ct:0.00, call:1, rec:false)
    CallInfoTest::QueenOfDiamonds#initialize (tt:0.00, st:0.00, wt:0.00, ct:0.00, call:1, rec:false)
      CallInfoTest::QueenOfDiamonds#a (tt:0.00, st:0.00, wt:0.00, ct:0.00, call:1, rec:false)
#<RubyProf::Thread:0x000001009a4ad8>
..

Finished tests in 0.213076s, 9.3863 tests/s, 150.1812 assertions/s.

2 tests, 32 assertions, 0 failures, 0 errors, 0 skips

3. Expected Result

CallInfoTest#test_call_info_printer (tt:0.00, st:0.00, wt:0.00, ct:0.00, call:1, rec:false)
  Class#new (tt:0.00, st:0.00, wt:0.00, ct:0.00, call:2, rec:false)
    <Class::BasicObject>#allocate (tt:0.00, st:0.00, wt:0.00, ct:0.00, call:2, rec:false)
    CallInfoTest::AceOfSpades#initialize (tt:0.00, st:0.00, wt:0.00, ct:0.00, call:1, rec:false)
      CallInfoTest::AceOfSpades#a (tt:0.00, st:0.00, wt:0.00, ct:0.00, call:1, rec:false)
  Class#new (tt:0.00, st:0.00, wt:0.00, ct:0.00, call:2, rec:false)
    <Class::BasicObject>#allocate (tt:0.00, st:0.00, wt:0.00, ct:0.00, call:2, rec:false)
    CallInfoTest::QueenOfDiamonds#initialize (tt:0.00, st:0.00, wt:0.00, ct:0.00, call:1, rec:false)
      CallInfoTest::QueenOfDiamonds#a (tt:0.00, st:0.00, wt:0.00, ct:0.00, call:1, rec:false)
#<RubyProf::Thread:0x000001009a4ad8>