diff --git a/pubspec.yaml b/pubspec.yaml
index 559d5d6..c29ba73 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: ext_rw
 description: API tools on client side for Dart / Flutter application
-version: 1.0.0
+version: 1.0.1
 homepage: https://github.com/a-givertzman/dart_ext_rw
 publish_to: none
 
@@ -14,7 +14,7 @@ dependencies:
   hmi_core:
       git:
         url: https://github.com/a-givertzman/hmi_core.git
-        ref: 1.0.0
+        ref: 2.0.0
   uuid: ^3.0.7
   web_socket_channel: ^2.4.0
 
diff --git a/test/unit/table_schema/field/field_constructor_test.dart b/test/unit/table_schema/field/field_constructor_test.dart
index 48778d9..ca34dbe 100644
--- a/test/unit/table_schema/field/field_constructor_test.dart
+++ b/test/unit/table_schema/field/field_constructor_test.dart
@@ -10,7 +10,7 @@ void main() {
       expect(field.key, equals(key));
       expect(field.title, equals(key));
       expect(field.isHidden, equals(false));
-      expect(field.isEditable, equals(true));
+      expect(field.isEditable, equals(false));
       expect(field.relation, equals(const Relation.empty()));
     });
     test('sets provided values', () {
diff --git a/test/unit/table_schema/field_value/field_value_str_test.dart b/test/unit/table_schema/field_value/field_value_str_test.dart
index 9fad099..6ceab23 100644
--- a/test/unit/table_schema/field_value/field_value_str_test.dart
+++ b/test/unit/table_schema/field_value/field_value_str_test.dart
@@ -93,25 +93,30 @@ void main() {
         'type': FieldType.bool,
         'str': 'true',
       },
+      {
+        'value': null,
+        'type': FieldType.unknown,
+        'str': 'null',
+      },
       {
         'value': null,
         'type': FieldType.string,
-        'str': null,
+        'str': 'null',
       },
       {
         'value': null,
         'type': FieldType.int,
-        'str': null,
+        'str': 'null',
       },
       {
         'value': null,
         'type': FieldType.double,
-        'str': null,
+        'str': 'null',
       },
       {
         'value': null,
         'type': FieldType.bool,
-        'str': null,
+        'str': 'null',
       },
       {
         'value': _TestObject(),
@@ -140,7 +145,7 @@ void main() {
       'str': str as String?,
     } in valueMaps) {
       final fieldValue = FieldValue(value, type: type);
-      expect(fieldValue.str, equals(str));
+      expect(fieldValue.str, equals(str), reason: 'value: $value, type: $type, str: $str');
     }
   });
 }
\ No newline at end of file