updateAliasSet
  ✅ should allow only one primary alias per language
  ✅ should allow only the default alias to be primary for that language
  ✅ should error if a set of aliases is passed with no default
  ✅ should return a new set if changes are made to the aliases in the set
  ✅ should return a new set if the default alias is changed
  ✅ should return a set with one alias if one alias is added to an empty set
  ✅ should return null if all null/empty sets are passed
  ✅ should return the old set if no changes are made

recursivelyGetAreaParentsWithNames
  ✅ should return all levels when checkAllLevels is true
  ✅ should return an array of areas with their names, sorted by type
  ✅ should work when calling parents() on an Area model

fetchOrCreateCredit
  ✅ should create a single author credit if called twice
updateCreateCredit
  ✅ should return a new credit if the credit is updated
  ✅ should return the original credit if changed, and then reverted
  ✅ should return the original credit if the credit is unchanged

getEntity
  ✅ should return an entity
  ✅ should return an entity with extra relations
  ✅ should return the target entity for a redirected bbid
recursivelyGetRedirectBBID
  ✅ should return a multiple-step redirected bbid
  ✅ should return a single-step redirected bbid

deleteOauthToken
  ✅ should delete oauth token
getOauthToken
  ✅ should return oauth token
saveOauthToken
  ✅ should save oauth token and return the saved token
updateOauthToken
  ✅ should update oauth token

updateIdentifierSet
  ✅ should return a new set if changes are made to the identifiers in the set
  ✅ should return a set with one identifier if one identifier is added to an empty set
  ✅ should return null if all null/empty sets are passed
  ✅ should return the old set if no changes are made

updateLanguageSet
  ✅ should return a set with one language if one language is added to an empty set
  ✅ should return null if all null/empty sets are passed
  ✅ should return the old set if no changes are made

updateRelationshipSet
  ✅ should return a new set if changes are made to the relationships in the set
  ✅ should return an empty object if all null/empty sets are passed
  ✅ should return an object with two entries if one relationship is added to an empty set
  ✅ should return the old set if no changes are made

updateRelationshipAttributeSet
  ✅ should return a new set if changes are made to the attributes in the set
  ✅ should return a set with one attribute if one attribute is added to an empty set
  ✅ should return null if all null/empty sets are passed
  ✅ should return the old set if no changes are made

createNewSetWithItems
  ✅ should error out if non-existent unchanged items are provided
  ✅ should return a new set with one item if an item is added
  ✅ should return a new set with two items if an item is added to an existing unchanged item
  ✅ should return null if no items are provided
getAddedItems
  ✅ should return a single element when one element is different
  ✅ should return a single element when one element is different and duplicated
  ✅ should return an empty list for two arrays of identical objects
getRemovedItems
  ✅ should return a single element when one element is different
  ✅ should return a single element when one element is different and duplicated
  ✅ should return an empty list for two arrays of identical objects
getUnchangedItems
  ✅ should return a single element when one duplicated element is the same
  ✅ should return a single element when one element is different
  ✅ should return all objects for two arrays of identical objects
removeItemsFromSet
  ✅ should return a single element when one element is different
  ✅ should return a single element when one element is different and duplicated
  ✅ should return an empty list for two arrays of identical objects

loadAuthorNames
  ✅ should return an array of objects with appropriate keys when the list of workBBIDs is not empty
  ✅ should return an empty array if the list of workBBIDs is empty

AchievementType model
  ✅ should return a JSON object with correct keys when saved

AchievementUnlock model
  ✅ should return a JSON object with correct keys when saved

Alias model
  ✅ should return a JSON object with correct keys when saved

AliasSet model
  ✅ should have an empty list of aliases when none are attached
  ✅ should have have an alias when one is set
  ✅ should have have two aliases when two are set
  ✅ should return a JSON object with correct keys when saved

Annotation model
  ✅ should return a JSON object with correct keys when saved

Area model
  ✅ should return a JSON object with correct keys when saved
AreaType model
  ✅ should be fetched as relationship when fetching Area
  ✅ should return a JSON object with correct keys when saved

Author model
  ✅ should return a JSON object with correct keys when saved
  ✅ should return a JSON object with empty collections array
  ✅ should return a JSON object with related collections if there exist any
  ✅ should return the master revision when multiple revisions exist
Author model with Author Credits
  ✅ should return the associated Author Credits for an Author
  ✅ should return the associated Edition Groups using creditedEditionGroups method
  ✅ should return the associated Editions using creditedEditions method

AuthorRevision model
  ✅ should return a JSON object with correct keys when saved

Disambiguation model
  ✅ should return a JSON object with correct keys when saved

Edition model
  ✅ should automatically create an Edition Group editionGroupBbid has been unset in existing Edition
  ✅ should automatically create an Edition Group if none has been passed
  ✅ should return a JSON object with correct keys when saved
  ✅ should return a JSON object with empty collections array
  ✅ should return a JSON object with related collections if there exist any
  ✅ should return the master revision when multiple revisions exist
  ✅ should set the same Author Credit on auto-created Edition Group

EditionGroup model
  ✅ should return a JSON object with correct keys when saved
  ✅ should return a JSON object with empty collections array
  ✅ should return a JSON object with related collections if there exist any
  ✅ should return the master revision when multiple revisions exist

EditionGroupRevision model
  ✅ should return a JSON object with correct keys when saved

EditionRevision model
  ✅ should return a JSON object with correct keys when saved

Editor model
  ✅ should return a JSON object with correct keys when saved

EditorEntityVisits model
  ✅ should return a JSON object with correct keys when saved

EditorType model
  ✅ should return a JSON object with correct keys when saved

Entity model
  ✅ should return a JSON object with correct keys when saved

ExternalServiceOauth model
  ✅ should return a JSON object with correct keys when saved

Gender model
  ✅ should return a JSON object with correct keys when saved

Identifier model
  ✅ should return a JSON object with correct keys when saved

IdentifierSet model
  ✅ should have an empty list of identifiers when none are attached
  ✅ should have have an identifier when one is set
  ✅ should have have two identifiers when two are set
  ✅ should return a JSON object with correct keys when saved

IdentifierType model
  ✅ should return a JSON object with correct keys when saved

Language model
  ✅ should return a JSON object with correct keys when saved

LanguageSet model
  ✅ should have an empty list of languages when none are attached
  ✅ should have have a language when one is set
  ✅ should have have two languages when two are set
  ✅ should return a JSON object with correct keys when saved

Module
  ✅ should have a bookshelf property with a knex property
  ✅ should have bookshelf and utils properties
  ✅ should return one model for each file in the models directory

Publisher model
  ✅ should return a JSON object with correct keys when saved
  ✅ should return a JSON object with empty collections array
  ✅ should return a JSON object with related collections if there exist any
  ✅ should return the master revision when multiple revisions exist

PublisherRevision model
  ✅ should return a JSON object with correct keys when saved

Relationship model
  ✅ should return a JSON object with correct keys when saved
  ✅ should return a relationship with it's attributes when one is set

Relationship Attribute model
  ✅ should return a JSON object with correct keys when saved

RelationshipAttributeSet model
  ✅ should have an empty list of attributes when none are attached
  ✅ should have have a relationship attribute when one is set
  ✅ should have have two relationship attributes when two are set
  ✅ should return a JSON object with correct keys when saved

RelationshipAttributeType model
  ✅ should return a JSON object with correct keys when saved

RelationshipSet model
  ✅ should have an empty list of relationships when none are attached
  ✅ should have have a relationship when one is set
  ✅ should have have two relationships when two are set
  ✅ should return a JSON object with correct keys when saved

RelationshipType model
  ✅ should return a JSON object with correct keys when saved
  ✅ should return attribute type associated with the relationship type

Revision model
  ✅ should return a JSON object with correct keys when saved

Series model
  ✅ should allow to update the series ordering type
  ✅ should return a JSON object with correct keys when saved
  ✅ should return a JSON object with empty collections array
  ✅ should return a JSON object with related collections
  ✅ should return the master revision when multiple revisions exist

SeriesOrderingType model
  ✅ should return a JSON object with correct keys when saved

SeriesRevision model
  ✅ should return a JSON object with correct keys when saved

TitleType model
  ✅ should return a JSON object with correct keys when saved

TitleUnlock model
  ✅ should return a JSON object with correct keys when saved

UserCollection model
  ✅ should return a JSON object with itemCount when saved and fetched with withItemCount flag
  ✅ should return a JSON object without itemCount when saved and fetched without withItemCount flag

Work model
  ✅ should return a JSON object with correct keys when saved
  ✅ should return a JSON object with empty collections array
  ✅ should return a JSON object with related collections
  ✅ should return the master revision when multiple revisions exist

WorkRevision model
  ✅ should return a JSON object with correct keys when saved

Utils formatDate
  ✅ should allow negative years for full date and with missing month and/or day
  ✅ should return null when passed an invalid date object
  ✅ should return the date as ISO 8601 for a date object with missing month
  ✅ should return the date as ISO 8601 for a date object with missing month and day
  ✅ should return the date as ISO 8601 for a date object with year equal to zero
  ✅ should return the date as ISO 8601 for a full date object
Utils parseDate
  ✅ should allow BCE dates as extended ISO 8601-2004 date string
  ✅ should allow partial BCE dates as extended ISO 8601-2004 with missing day
  ✅ should allow partial BCE dates as extended ISO 8601-2004 with missing day and month
  ✅ should allow partial dates with missing day
  ✅ should allow partial dates with missing day and month
  ✅ should return an array of 3 null values when passed an invalid string (other than ISO 8601)
  ✅ should return the date as an array of 3 values when passed a full ISO 8601 date string
  ✅ should return the date as an array of 3 values when passed an extended ISO 8601-2004 date string