updating tests for deletion of custom goals to ensure they also remove child custom actions
updating tests for deletion of custom goals to ensure they also remove child custom actions

izzyalonso/tndata_backend,tndatacommons/tndata_backend,izzyalonso/tndata_backend,izzyalonso/tndata_backend,tndatacommons/tndata_backend,tndatacommons/tndata_backend,tndatacommons/tndata_backend,izzyalonso/tndata_backend