test-result.jq

def columns:
    if (. | length) == 0 then []
    else .[0] | keys
    end;

def rows:
    map(to_entries | map(.value));

def failure_message(got; expected):
    (got | columns | tostring)  as $got_columns
    | (expected | columns | tostring) as $expected_columns
    | if $got_columns != $expected_columns then
        "Expected columns \($expected_columns); but got \($got_columns)"
      else
        (got | rows | tostring) as $got_rows
        | (expected | rows | tostring) as $expected_rows
        | "With columns \($got_columns)\nexpected \($expected_rows)\nbut got \($got_rows)"
      end;

$test_data[0][$slug]
| del(.expected) as $entry 
| if $got != .expected then 
      $entry + {"status": "fail", "message": failure_message($got; .expected)} 
  else 
      $entry + {"status": "pass"} 
  end