refactored some keywords

*** Variable ***

${building_id_prefix}=  urn:ngsi-ld:Building:

${expected_error_message}=  Already exists.

${filename}=  building-minimal-sample.jsonld

${content_type}=  application/ld+json

*** Test Case ***

Create one valid entity and one invalid entity

    [Tags]  mandatory

    ${entity_id}=     Generate Random Entity Id    ${building_id_prefix}

    Create Entity   building-minimal-sample.jsonld    ${entity_id}

    Create Entity Selecting Content Type   ${filename}    ${entity_id}    ${content_type}

    Check Response Status Code Set To  201

    #creating entity with the same id

    Create Entity   building-minimal-sample.jsonld    ${entity_id}

    Create Entity Selecting Content Type   ${filename}    ${entity_id}    ${content_type}

    Check Response Status Code Set To  409

    Check Response Body Details Containing Information Error  ${expected_error_message}

    [Teardown]    Delete Entity by Id       ${entity_id}

    ${response}=  POST  ${ENTITIES_ENDPOINT_PATH}  body=${entity}  headers=${headers}

    Output  request

    Output  response

    Set Test Variable  ${response}

Batch Create Entities

    [Arguments]  @{entities_to_be_created}      ${content_type}=${CONTENT_TYPE_LD_JSON}     ${context}=${EMPTY}