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How to use test_assert_output_triggered_err method of MyModule Package

Best Minitest_ruby code snippet using MyModule.test_assert_output_triggered_err

test_minitest_assertions.rb

Source:test_minitest_assertions.rb

...472        $stderr.print "blah blah"473      end474    end475  end476  def test_assert_output_triggered_err477    assert_triggered util_msg("blah", "blah blah", "In stderr") do478      @tc.assert_output nil, "blah" do479        $stderr.print "blah blah"480      end481    end482  end483  def test_assert_output_triggered_out484    assert_triggered util_msg("blah", "blah blah", "In stdout") do485      @tc.assert_output "blah" do486        print "blah blah"487      end488    end489  end490  def test_assert_output_without_block...

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