RSpec execute method in context or describe block

Can I execute method in RSpec describe or context block? For example

describe ".test" do
  load_test_data.each do |m, e|
     it "#{m} to be equal #{e}" do
        expect(m).to eq(e)
     end
  end
end

Where load_test_data is a function that returns hash {"a" => "a", "b" => "b", "c" => "c"}