After the creation of the test plan for swatch contracts we need to start implementing the tests.

  This card focuses on the tests covering contract retrieval.

  The following tests need to be implemented:

  contracts-retrieval-TC001 - Get contracts by org_id
  contracts-retrieval-TC002 - Get contracts active at a specific timestamp
  contracts-retrieval-TC003 - Get contracts by billing_provider
  contracts-retrieval-TC004 - Get contracts with multiple parameters
  contracts-retrieval-TC005 - Get contracts with no results in a specific time range
  contracts-retrieval-TC006 - Get contracts with no results

  Acceptance criteria:

  All 6 test cases (TC001-TC006) from the test plan are implemented and passing locally and in ephemeral environments.