Issue #3031086 by amateescu, plach: Configurable fields that are created only...

Issue #3031086 by amateescu, plach: Configurable fields that are created only for update path tests should be defined with custom_storage = TRUE

core/modules/field/tests/fixtures/update/field.storage.node.field_ref_autocreate_2412569.yml

@@ -17,4 +17,4 @@ cardinality: 1
 translatable: true
 indexes: {  }
 persist_with_no_fields: false
-custom_storage: false
+custom_storage: true

core/modules/field/tests/fixtures/update/field.storage.node.field_ref_views_select_2429191.yml

@@ -17,3 +17,4 @@ cardinality: 1
 translatable: true
 indexes: {  }
 persist_with_no_fields: false
+custom_storage: true

core/modules/file/tests/fixtures/update/field.storage.node.field_file_generic_2677990.yml

@@ -20,4 +20,4 @@ cardinality: 1
 translatable: true
 indexes: {  }
 persist_with_no_fields: false
-custom_storage: false
+custom_storage: true

core/modules/file/tests/fixtures/update/field.storage.node.field_file_table_2677990.yml

@@ -20,4 +20,4 @@ cardinality: 1
 translatable: true
 indexes: {  }
 persist_with_no_fields: false
-custom_storage: false
+custom_storage: true