Merge branch 'main' into migrate-persistence-layer-to-object-factory

* main:
  importer failure helpers (#859)

lib/bulkrax.rb

@@ -38,7 +38,7 @@ class Configuration
     # @return [#call] with arity 2.  The first parameter is a {Bulkrax::ApplicationParser} and the
     #         second parameter is an Integer for the index of the record encountered in the import.
     attr_accessor :fill_in_blank_source_identifiers
-    allow(Bulkrax.persistence_adapter).to receive(:find).and_return(nil)
+
     ##
     # @param coercer [#call]
     # @see Bulkrax::FactoryClassFinder