refactor price query spec to use subject instead of example_query
refactor user spec to use subject instead of creating a user when testing has many relationship
add additional assertion to has many test in user spec
refactor user factory to use ffaker gem
refactor price_query_spec to use price_results factory and user factory
refactor price_result_spec to use price_query factory
refactor user spec to use price_query factory for testing has many relationship