diff --git a/example/lib/main.dart b/example/lib/main.dart
index 70e3cf7..239b96d 100644
--- a/example/lib/main.dart
+++ b/example/lib/main.dart
@@ -43,7 +43,7 @@ class MalidadoresMain extends StatelessWidget {
                 ),
         ElevatedButton(
           onPressed: () {
-            if (_formKey.currentState!.validate()) {
+            if (_formKey.currentState.validate()) {
               print('Valido');
             }
           },
diff --git a/example/pubspec.lock b/example/pubspec.lock
index 65ec816..2d54ab1 100644
--- a/example/pubspec.lock
+++ b/example/pubspec.lock
@@ -1,62 +1,48 @@
 # Generated by pub
 # See https://dart.dev/tools/pub/glossary#lockfile
 packages:
-  archive:
-    dependency: transitive
-    description:
-      name: archive
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "2.0.11"
-  args:
-    dependency: transitive
-    description:
-      name: args
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.5.2"
   async:
     dependency: transitive
     description:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.4.0"
+    version: "2.6.1"
   boolean_selector:
     dependency: transitive
     description:
       name: boolean_selector
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.5"
-  charcode:
+    version: "2.1.0"
+  characters:
     dependency: transitive
     description:
-      name: charcode
+      name: characters
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.2"
-  collection:
+    version: "1.1.0"
+  charcode:
     dependency: transitive
     description:
-      name: collection
+      name: charcode
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.14.11"
-  convert:
+    version: "1.2.0"
+  clock:
     dependency: transitive
     description:
-      name: convert
+      name: clock
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.1"
-  crypto:
+    version: "1.1.0"
+  collection:
     dependency: transitive
     description:
-      name: crypto
+      name: collection
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.3"
+    version: "1.15.0"
   cupertino_icons:
     dependency: "direct main"
     description:
@@ -64,6 +50,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.1.3"
+  fake_async:
+    dependency: transitive
+    description:
+      name: fake_async
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.2.0"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -74,55 +67,27 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
-  image:
-    dependency: transitive
-    description:
-      name: image
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "2.1.4"
   matcher:
     dependency: transitive
     description:
       name: matcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.6"
+    version: "0.12.10"
   meta:
     dependency: transitive
     description:
       name: meta
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.8"
+    version: "1.3.0"
   path:
     dependency: transitive
     description:
       name: path
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.6.4"
-  pedantic:
-    dependency: transitive
-    description:
-      name: pedantic
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.8.0+1"
-  petitparser:
-    dependency: transitive
-    description:
-      name: petitparser
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "2.4.0"
-  quiver:
-    dependency: transitive
-    description:
-      name: quiver
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "2.0.5"
+    version: "1.8.0"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -134,69 +99,63 @@ packages:
       name: source_span
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.5.5"
+    version: "1.8.1"
   stack_trace:
     dependency: transitive
     description:
       name: stack_trace
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.9.3"
+    version: "1.10.0"
   stream_channel:
     dependency: transitive
     description:
       name: stream_channel
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.0"
+    version: "2.1.0"
   string_scanner:
     dependency: transitive
     description:
       name: string_scanner
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.5"
+    version: "1.1.0"
   term_glyph:
     dependency: transitive
     description:
       name: term_glyph
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "1.2.0"
   test_api:
     dependency: transitive
     description:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.2.11"
+    version: "0.3.0"
   typed_data:
     dependency: transitive
     description:
       name: typed_data
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.6"
+    version: "1.3.0"
   validadores:
     dependency: "direct dev"
     description:
       path: ".."
       relative: true
     source: path
-    version: "0.0.2"
+    version: "1.0.3"
   vector_math:
     dependency: transitive
     description:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.8"
-  xml:
-    dependency: transitive
-    description:
-      name: xml
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "3.5.0"
+    version: "2.1.0"
 sdks:
-  dart: ">=2.4.0 <3.0.0"
+  dart: ">=2.12.0 <3.0.0"
+  flutter: ">=1.12.0"
diff --git a/pubspec.lock b/pubspec.lock
index ad6d1df..f5c3079 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -1,6 +1,27 @@
 # Generated by pub
 # See https://dart.dev/tools/pub/glossary#lockfile
 packages:
+  _fe_analyzer_shared:
+    dependency: transitive
+    description:
+      name: _fe_analyzer_shared
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "22.0.0"
+  analyzer:
+    dependency: transitive
+    description:
+      name: analyzer
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.7.1"
+  args:
+    dependency: transitive
+    description:
+      name: args
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.2.0"
   async:
     dependency: transitive
     description:
@@ -29,6 +50,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.2.0"
+  cli_util:
+    dependency: transitive
+    description:
+      name: cli_util
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.3.3"
   clock:
     dependency: transitive
     description:
@@ -43,6 +71,27 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.15.0"
+  convert:
+    dependency: transitive
+    description:
+      name: convert
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.0.1"
+  coverage:
+    dependency: transitive
+    description:
+      name: coverage
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.3"
+  crypto:
+    dependency: transitive
+    description:
+      name: crypto
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.0.1"
   fake_async:
     dependency: transitive
     description:
@@ -50,6 +99,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.2.0"
+  file:
+    dependency: transitive
+    description:
+      name: file
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "6.1.2"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -60,6 +116,48 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  glob:
+    dependency: transitive
+    description:
+      name: glob
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.1"
+  http_multi_server:
+    dependency: transitive
+    description:
+      name: http_multi_server
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.0.1"
+  http_parser:
+    dependency: transitive
+    description:
+      name: http_parser
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "4.0.0"
+  io:
+    dependency: transitive
+    description:
+      name: io
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.3"
+  js:
+    dependency: transitive
+    description:
+      name: js
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.6.3"
+  logging:
+    dependency: transitive
+    description:
+      name: logging
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.1"
   matcher:
     dependency: transitive
     description:
@@ -74,6 +172,27 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.3.0"
+  mime:
+    dependency: transitive
+    description:
+      name: mime
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.0"
+  node_preamble:
+    dependency: transitive
+    description:
+      name: node_preamble
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.1"
+  package_config:
+    dependency: transitive
+    description:
+      name: package_config
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.0"
   path:
     dependency: transitive
     description:
@@ -81,11 +200,74 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.8.0"
+  pedantic:
+    dependency: transitive
+    description:
+      name: pedantic
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.11.1"
+  pool:
+    dependency: transitive
+    description:
+      name: pool
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.5.0"
+  pub_semver:
+    dependency: transitive
+    description:
+      name: pub_semver
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.0"
+  shelf:
+    dependency: transitive
+    description:
+      name: shelf
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.2.0"
+  shelf_packages_handler:
+    dependency: transitive
+    description:
+      name: shelf_packages_handler
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.0.0"
+  shelf_static:
+    dependency: transitive
+    description:
+      name: shelf_static
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.1.0"
+  shelf_web_socket:
+    dependency: transitive
+    description:
+      name: shelf_web_socket
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.1"
   sky_engine:
     dependency: transitive
     description: flutter
     source: sdk
     version: "0.0.99"
+  source_map_stack_trace:
+    dependency: transitive
+    description:
+      name: source_map_stack_trace
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.0"
+  source_maps:
+    dependency: transitive
+    description:
+      name: source_maps
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.10.10"
   source_span:
     dependency: transitive
     description:
@@ -121,6 +303,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.2.0"
+  test:
+    dependency: "direct dev"
+    description:
+      name: test
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.16.8"
   test_api:
     dependency: transitive
     description:
@@ -128,6 +317,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.3.0"
+  test_core:
+    dependency: transitive
+    description:
+      name: test_core
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.3.19"
   typed_data:
     dependency: transitive
     description:
@@ -142,5 +338,41 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.1.0"
+  vm_service:
+    dependency: transitive
+    description:
+      name: vm_service
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "6.2.0"
+  watcher:
+    dependency: transitive
+    description:
+      name: watcher
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.0"
+  web_socket_channel:
+    dependency: transitive
+    description:
+      name: web_socket_channel
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.0"
+  webkit_inspection_protocol:
+    dependency: transitive
+    description:
+      name: webkit_inspection_protocol
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.0"
+  yaml:
+    dependency: transitive
+    description:
+      name: yaml
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.1.0"
 sdks:
   dart: ">=2.12.0 <3.0.0"
+  flutter: ">=1.12.0"
diff --git a/pubspec.yaml b/pubspec.yaml
index bb9494b..c9f7e21 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -6,6 +6,7 @@ homepage: https://github.com/mtobbias/365apps-pack-validador
 
 environment:
   sdk: '>=2.12.0 <3.0.0'
+  flutter: ">=1.12.0"
 
 dependencies:
   flutter:
@@ -14,6 +15,7 @@ dependencies:
 dev_dependencies:
   flutter_test:
     sdk: flutter
+  test: ^1.16.8
 
 flutter:
   plugin:
diff --git a/test/ValidarCNPJ_test.dart b/test/ValidarCNPJ_test.dart
index 3a94e94..56fd9fc 100644
--- a/test/ValidarCNPJ_test.dart
+++ b/test/ValidarCNPJ_test.dart
@@ -2,50 +2,50 @@ import 'package:flutter_test/flutter_test.dart';
 import 'package:validadores/Validador.dart';
 
 class _Contants {
-  static final TEST_NAME = "CNPJ";
-  static final DEFAULT_MESSAGE_INVALID = "Campo Inválido";
-  static final VALID_VALUE = "77287898000155";
-  static final INVALID_VALUE = "77287898000154";
-  static final INVALID_VALUE_00 = "00000000000";
-  static final INVALID_VALUE_INC = "77287898000";
-  static final INVALID_VALUE_NULL = null;
+  static final testName = "CNPJ";
+  static final defaultMessageInvalid = "Campo Inválido";
+  static final validValue = "77287898000155";
+  static final invalidValue = "77287898000154";
+  static final invalidValue00 = "00000000000";
+  static final invalidValueInc = "77287898000";
+  static final invalidValueNull = null;
 
 }
 void main() {
 
-    test(_Contants.TEST_NAME + ' INVALID_VALUE_INC', () {
+    test(_Contants.testName + ' invalidValueInc', () {
       var validador = Validador().add(
-          Validar.CPF, msg: _Contants.DEFAULT_MESSAGE_INVALID);
-      expect(_getDefaultResp(), validador.valido(_Contants.INVALID_VALUE_NULL));
+          Validar.CPF, msg: _Contants.defaultMessageInvalid);
+      expect(_getDefaultResp(), validador.valido(_Contants.invalidValueNull));
     });
 
-    test(_Contants.TEST_NAME + ' INVALID_VALUE_INC', () {
+    test(_Contants.testName + ' invalidValueInc', () {
       var validador = Validador().add(
-          Validar.CNPJ, msg: _Contants.DEFAULT_MESSAGE_INVALID);
-      expect(_getDefaultResp(), validador.valido(_Contants.INVALID_VALUE_INC));
+          Validar.CNPJ, msg: _Contants.defaultMessageInvalid);
+      expect(_getDefaultResp(), validador.valido(_Contants.invalidValueInc));
     });
 
-    test(_Contants.TEST_NAME + ' INVALID_VALUE_00', () {
+    test(_Contants.testName + ' invalidValue00', () {
       var validador = Validador().add(
-          Validar.CNPJ, msg: _Contants.DEFAULT_MESSAGE_INVALID);
-      expect(_getDefaultResp(), validador.valido(_Contants.INVALID_VALUE_00));
+          Validar.CNPJ, msg: _Contants.defaultMessageInvalid);
+      expect(_getDefaultResp(), validador.valido(_Contants.invalidValue00));
     });
 
-    test(_Contants.TEST_NAME + ' VALIDO', () {
+    test(_Contants.testName + ' VALIDO', () {
       var validador = Validador().add(
-          Validar.CNPJ, msg: _Contants.DEFAULT_MESSAGE_INVALID);
-      expect(null, validador.valido(_Contants.VALID_VALUE));
+          Validar.CNPJ, msg: _Contants.defaultMessageInvalid);
+      expect(null, validador.valido(_Contants.validValue));
     });
 
-    test(_Contants.TEST_NAME + ' INVALIDO', () {
+    test(_Contants.testName + ' INVALIDO', () {
       var validador = Validador().add(
-          Validar.CNPJ, msg: _Contants.DEFAULT_MESSAGE_INVALID);
-      expect(_getDefaultResp(), validador.valido(_Contants.INVALID_VALUE));
+          Validar.CNPJ, msg: _Contants.defaultMessageInvalid);
+      expect(_getDefaultResp(), validador.valido(_Contants.invalidValue));
     });
   }
 
   _getDefaultResp() {
-    return List.from({_Contants.DEFAULT_MESSAGE_INVALID}).toString().toString();
+    return List.from({_Contants.defaultMessageInvalid}).toString().toString();
   }
 
 
diff --git a/test/ValidarCPF_test.dart b/test/ValidarCPF_test.dart
index ca86f8d..ee1c1e9 100644
--- a/test/ValidarCPF_test.dart
+++ b/test/ValidarCPF_test.dart
@@ -2,50 +2,50 @@ import 'package:flutter_test/flutter_test.dart';
 import 'package:validadores/Validador.dart';
 
 class _Contants {
-  static final TEST_NAME = "CPF";
-  static final DEFAULT_MESSAGE_INVALID = "Campo Inválido";
-  static final VALID_VALUE = "99988877714";
-  static final INVALID_VALUE = "99988877713";
-  static final INVALID_VALUE_00 = "00000000000";
-  static final INVALID_VALUE_INC = "999888777";
-  static final INVALID_VALUE_NULL = null;
+  static final testeName = "CPF";
+  static final defaultMessageInvalid = "Campo Inválido";
+  static final validValue = "99988877714";
+  static final invalidValue = "99988877713";
+  static final invalidValue00 = "00000000000";
+  static final invalidValueInc = "999888777";
+  static final invalidValueNull = null;
 
 }
   void main() {
 
-    test(_Contants.TEST_NAME + ' INVALID_VALUE_INC', () {
+    test(_Contants.testeName + ' invalidValueInc', () {
       var validador = Validador().add(
-          Validar.CPF, msg: _Contants.DEFAULT_MESSAGE_INVALID);
-      expect(_getDefaultResp(), validador.valido(_Contants.INVALID_VALUE_NULL));
+          Validar.CPF, msg: _Contants.defaultMessageInvalid);
+      expect(_getDefaultResp(), validador.valido(_Contants.invalidValueNull));
     });
 
-    test(_Contants.TEST_NAME + ' INVALID_VALUE_INC', () {
+    test(_Contants.testeName + ' invalidValueInc', () {
       var validador = Validador().add(
-          Validar.CPF, msg: _Contants.DEFAULT_MESSAGE_INVALID);
-      expect(_getDefaultResp(), validador.valido(_Contants.INVALID_VALUE_INC));
+          Validar.CPF, msg: _Contants.defaultMessageInvalid);
+      expect(_getDefaultResp(), validador.valido(_Contants.invalidValueInc));
     });
 
-    test(_Contants.TEST_NAME + ' INVALID_VALUE_00', () {
+    test(_Contants.testeName + ' invalidValue00', () {
       var validador = Validador().add(
-          Validar.CPF, msg: _Contants.DEFAULT_MESSAGE_INVALID);
-      expect(_getDefaultResp(), validador.valido(_Contants.INVALID_VALUE_00));
+          Validar.CPF, msg: _Contants.defaultMessageInvalid);
+      expect(_getDefaultResp(), validador.valido(_Contants.invalidValue00));
     });
 
-    test(_Contants.TEST_NAME + ' VALIDO', () {
+    test(_Contants.testeName + ' VALIDO', () {
       var validador = Validador().add(
-          Validar.CPF, msg: _Contants.DEFAULT_MESSAGE_INVALID);
-      expect(null, validador.valido(_Contants.VALID_VALUE));
+          Validar.CPF, msg: _Contants.defaultMessageInvalid);
+      expect(null, validador.valido(_Contants.validValue));
     });
 
-    test(_Contants.TEST_NAME + ' INVALIDO', () {
+    test(_Contants.testeName + ' INVALIDO', () {
       var validador = Validador().add(
-          Validar.CPF, msg: _Contants.DEFAULT_MESSAGE_INVALID);
-      expect(_getDefaultResp(), validador.valido(_Contants.INVALID_VALUE));
+          Validar.CPF, msg: _Contants.defaultMessageInvalid);
+      expect(_getDefaultResp(), validador.valido(_Contants.invalidValue));
     });
   }
 
   _getDefaultResp() {
-    return List.from({_Contants.DEFAULT_MESSAGE_INVALID}).toString().toString();
+    return List.from({_Contants.defaultMessageInvalid}).toString().toString();
   }
 
 
diff --git a/test/ValidarEmail_test.dart b/test/ValidarEmail_test.dart
index faddb1d..fd396ad 100644
--- a/test/ValidarEmail_test.dart
+++ b/test/ValidarEmail_test.dart
@@ -3,13 +3,13 @@ import 'package:validadores/Validador.dart';
 
 
 class _Constants {
-  static final TEST_NAME ="EMAIL";
-  static final DEFAULT_MESSAGE_INVALID ="Campo Inválido";
-  static final VALID_VALUE = "marcelo.tobbias@gmail.com";
-  static final VALID_VALUE_BR = "contato@registro.br";
-  static final VALID_VALUE_COM_BR = "contato@365apps.com.br";
-  static final INVALID_VALUE = "marcelo.tobbias@gmail";
-  static final INVALID_VALUE_NULL = null;
+  static final testName ="EMAIL";
+  static final defaultMessageInvalid ="Campo Inválido";
+  static final validValue = "marcelo.tobbias@gmail.com";
+  static final validValueBr = "contato@registro.br";
+  static final validValueComBr = "contato@365apps.com.br";
+  static final invalidValue = "marcelo.tobbias@gmail";
+  static final invalidValueNull = null;
 }
 
 
@@ -18,30 +18,30 @@ void main(){
   /**
    *  @see https://github.com/mtobbias/365apps-pack-validador/issues/1
    */
-  test(_Constants.TEST_NAME +' VALIDO_COM_BR', () {
-    var validador = Validador().add(Validar.EMAIL, msg: _Constants.DEFAULT_MESSAGE_INVALID);
-    expect(null,validador.valido(_Constants.VALID_VALUE_COM_BR));
+  test(_Constants.testName +' VALIDO_COM_BR', () {
+    var validador = Validador().add(Validar.EMAIL, msg: _Constants.defaultMessageInvalid);
+    expect(null,validador.valido(_Constants.validValueComBr));
   });
 
-  test(_Constants.TEST_NAME +' VALIDO_BR', () {
-    var validador = Validador().add(Validar.EMAIL, msg: _Constants.DEFAULT_MESSAGE_INVALID);
-    expect(null,validador.valido(_Constants.VALID_VALUE_BR));
+  test(_Constants.testName +' VALIDO_BR', () {
+    var validador = Validador().add(Validar.EMAIL, msg: _Constants.defaultMessageInvalid);
+    expect(null,validador.valido(_Constants.validValueBr));
   });
 
 
-  test(_Constants.TEST_NAME +' VALIDO', () {
-    var validador = Validador().add(Validar.EMAIL, msg: _Constants.DEFAULT_MESSAGE_INVALID);
-    expect(null,validador.valido(_Constants.VALID_VALUE));
+  test(_Constants.testName +' VALIDO', () {
+    var validador = Validador().add(Validar.EMAIL, msg: _Constants.defaultMessageInvalid);
+    expect(null,validador.valido(_Constants.validValue));
   });
 
-  test(_Constants.TEST_NAME +' INVALIDO', () {
-    var validador = Validador().add(Validar.EMAIL, msg: _Constants.DEFAULT_MESSAGE_INVALID);
-    expect(List.from({_Constants.DEFAULT_MESSAGE_INVALID}).toString(),validador.valido(_Constants.INVALID_VALUE));
+  test(_Constants.testName +' INVALIDO', () {
+    var validador = Validador().add(Validar.EMAIL, msg: _Constants.defaultMessageInvalid);
+    expect(List.from({_Constants.defaultMessageInvalid}).toString(),validador.valido(_Constants.invalidValue));
   });
 
-  test(_Constants.TEST_NAME +' INVALIDO', () {
-    var validador = Validador().add(Validar.EMAIL, msg: _Constants.DEFAULT_MESSAGE_INVALID);
-    expect(List.from({_Constants.DEFAULT_MESSAGE_INVALID}).toString(),validador.valido(_Constants.INVALID_VALUE_NULL));
+  test(_Constants.testName +' INVALIDO', () {
+    var validador = Validador().add(Validar.EMAIL, msg: _Constants.defaultMessageInvalid);
+    expect(List.from({_Constants.defaultMessageInvalid}).toString(),validador.valido(_Constants.invalidValueNull));
   });
 
 }