Test 78 Completed: test_symbols_with_interpolation_can_be_built

Given:
  value = "and"
  symbol = :"cats #{value} dogs"
You get the symbol
  :"cats and dogs"
Test 79 Completed: test_to_s_is_called_on_interpolated_symbols

Given:
  symbol = :cats
  string = "#{symbol} and dogs."
You get:
  string = "cats and dogs."