1 files changed, 0 insertions, 29 deletions
diff --git a/test/testunit/test_assertion.rb b/test/testunit/test_assertion.rb
deleted file mode 100644
index 0c7c4882b8..0000000000
--- a/test/testunit/test_assertion.rb
+++ /dev/null
@@ -1,29 +0,0 @@
-# frozen_string_literal: false
-require 'test/unit'
-class TestAssertion < Test::Unit::TestCase
-  def test_wrong_assertion
-    error, line = assert_raise(ArgumentError) {assert(true, true)}, __LINE__
-    assert_match(/assertion message must be String or Proc, but TrueClass was given/, error.message)
-    assert_match(/\A#{Regexp.quote(__FILE__)}:#{line}:/, error.backtrace[0])
-  end
-
-  def test_timeout_separately
-    assert_raise(Timeout::Error) do
-      assert_separately([], <<~"end;", timeout: 0.1)
-        sleep
-      end;
-    end
-  end
-
-  def return_in_assert_raise
-    assert_raise(RuntimeError) do
-      return
-    end
-  end
-
-  def test_assert_raise
-    assert_raise(MiniTest::Assertion) do
-      return_in_assert_raise
-    end
-  end
-end