diff --git a/tests/integration/rules/identityCard.phpt b/tests/integration/rules/identityCard.phpt
new file mode 100644
index 00000000..a3a92240
--- /dev/null
+++ b/tests/integration/rules/identityCard.phpt
@@ -0,0 +1,43 @@
+--CREDITS--
+Henrique Moody <henriquemoody@gmail.com>
+--FILE--
+<?php
+
+// declare(strict_types=1);
+
+require_once 'vendor/autoload.php';
+
+use Respect\Validation\Exceptions\IdentityCardException;
+use Respect\Validation\Exceptions\Locale\PlIdentityCardException;
+use Respect\Validation\Exceptions\NestedValidationException;
+use Respect\Validation\Validator as v;
+
+try {
+    v::identityCard('PL')->check('AYE205411');
+} catch (PlIdentityCardException $exception) {
+    echo $exception->getMessage().PHP_EOL;
+}
+
+try {
+    v::not(v::identityCard('PL'))->check('AYE205410');
+} catch (IdentityCardException $exception) {
+    echo $exception->getMessage().PHP_EOL;
+}
+
+try {
+    v::identityCard('PL')->assert('AYE205411');
+} catch (NestedValidationException $exception) {
+    echo $exception->getFullMessage().PHP_EOL;
+}
+
+try {
+    v::not(v::identityCard('PL'))->assert('AYE205410');
+} catch (NestedValidationException $exception) {
+    echo $exception->getFullMessage().PHP_EOL;
+}
+?>
+--EXPECT--
+"AYE205411" must be a valid Polish Identity Card number
+"AYE205410" must not be a valid Identity Card number for "PL"
+- "AYE205411" must be a valid Polish Identity Card number
+- "AYE205410" must not be a valid Identity Card number for "PL"
diff --git a/tests/integration/rules/identityCard_1.phpt b/tests/integration/rules/identityCard_1.phpt
deleted file mode 100644
index 3d6e6d48..00000000
--- a/tests/integration/rules/identityCard_1.phpt
+++ /dev/null
@@ -1,15 +0,0 @@
---CREDITS--
-Henrique Moody <henriquemoody@gmail.com>
---FILE--
-<?php
-
-declare(strict_types=1);
-
-require_once 'vendor/autoload.php';
-
-use Respect\Validation\Validator as v;
-
-v::identityCard('PL')->check('AYE205410');
-v::identityCard('PL')->assert('AYE205410');
-?>
---EXPECT--
diff --git a/tests/integration/rules/identityCard_2.phpt b/tests/integration/rules/identityCard_2.phpt
deleted file mode 100644
index 4e59bc2e..00000000
--- a/tests/integration/rules/identityCard_2.phpt
+++ /dev/null
@@ -1,20 +0,0 @@
---CREDITS--
-Henrique Moody <henriquemoody@gmail.com>
---FILE--
-<?php
-
-declare(strict_types=1);
-
-require_once 'vendor/autoload.php';
-
-use Respect\Validation\Exceptions\Locale\PlIdentityCardException;
-use Respect\Validation\Validator as v;
-
-try {
-    v::identityCard('PL')->check('AYE205411');
-} catch (PlIdentityCardException $e) {
-    echo $e->getMessage();
-}
-?>
---EXPECT--
-"AYE205411" must be a valid Polish Identity Card number
diff --git a/tests/integration/rules/identityCard_3.phpt b/tests/integration/rules/identityCard_3.phpt
deleted file mode 100644
index 4c6b5515..00000000
--- a/tests/integration/rules/identityCard_3.phpt
+++ /dev/null
@@ -1,20 +0,0 @@
---CREDITS--
-Henrique Moody <henriquemoody@gmail.com>
---FILE--
-<?php
-
-declare(strict_types=1);
-
-require_once 'vendor/autoload.php';
-
-use Respect\Validation\Exceptions\AllOfException;
-use Respect\Validation\Validator as v;
-
-try {
-    v::identityCard('PL')->assert('AYE205411');
-} catch (AllOfException $e) {
-    echo $e->getFullMessage();
-}
-?>
---EXPECT--
-- "AYE205411" must be a valid Polish Identity Card number
diff --git a/tests/integration/rules/identityCard_4.phpt b/tests/integration/rules/identityCard_4.phpt
deleted file mode 100644
index 664702f0..00000000
--- a/tests/integration/rules/identityCard_4.phpt
+++ /dev/null
@@ -1,20 +0,0 @@
---CREDITS--
-Henrique Moody <henriquemoody@gmail.com>
---FILE--
-<?php
-
-declare(strict_types=1);
-
-require_once 'vendor/autoload.php';
-
-use Respect\Validation\Exceptions\IdentityCardException;
-use Respect\Validation\Validator as v;
-
-try {
-    v::not(v::identityCard('PL'))->check('AYE205410');
-} catch (IdentityCardException $e) {
-    echo $e->getMessage();
-}
-?>
---EXPECT--
-"AYE205410" must not be a valid Identity Card number for "PL"
diff --git a/tests/integration/rules/identityCard_5.phpt b/tests/integration/rules/identityCard_5.phpt
deleted file mode 100644
index 1af0fcb0..00000000
--- a/tests/integration/rules/identityCard_5.phpt
+++ /dev/null
@@ -1,20 +0,0 @@
---CREDITS--
-Henrique Moody <henriquemoody@gmail.com>
---FILE--
-<?php
-
-declare(strict_types=1);
-
-require_once 'vendor/autoload.php';
-
-use Respect\Validation\Exceptions\AllOfException;
-use Respect\Validation\Validator as v;
-
-try {
-    v::not(v::identityCard('PL'))->assert('AYE205410');
-} catch (AllOfException $e) {
-    echo $e->getFullMessage();
-}
-?>
---EXPECT--
-- "AYE205410" must not be a valid Identity Card number for "PL"
diff --git a/tests/integration/rules/nif.phpt b/tests/integration/rules/nif.phpt
new file mode 100644
index 00000000..c378fd13
--- /dev/null
+++ b/tests/integration/rules/nif.phpt
@@ -0,0 +1,43 @@
+--CREDITS--
+Henrique Moody <henriquemoody@gmail.com>
+Julián Gutiérrez <juliangut@gmail.com>
+--FILE--
+<?php
+
+declare(strict_types=1);
+
+require 'vendor/autoload.php';
+
+use Respect\Validation\Exceptions\NestedValidationException;
+use Respect\Validation\Exceptions\NifException;
+use Respect\Validation\Validator as v;
+
+try {
+    v::nif()->check('06357771Q');
+} catch (NifException $exception) {
+    echo $exception->getMessage().PHP_EOL;
+}
+
+try {
+    v::not(v::nif())->check('71110316C');
+} catch (NifException $exception) {
+    echo $exception->getMessage().PHP_EOL;
+}
+
+try {
+    v::nif()->assert('06357771Q');
+} catch (NestedValidationException $exception) {
+    echo $exception->getFullMessage().PHP_EOL;
+}
+
+try {
+    v::not(v::nif())->assert('R1332622H');
+} catch (NestedValidationException $exception) {
+    echo $exception->getFullMessage().PHP_EOL;
+}
+?>
+--EXPECT--
+"06357771Q" must be a NIF
+"71110316C" must not be a NIF
+- "06357771Q" must be a NIF
+- "R1332622H" must not be a NIF
diff --git a/tests/integration/rules/nif_1.phpt b/tests/integration/rules/nif_1.phpt
deleted file mode 100644
index 61a149f9..00000000
--- a/tests/integration/rules/nif_1.phpt
+++ /dev/null
@@ -1,14 +0,0 @@
---CREDITS--
-Julián Gutiérrez <juliangut@gmail.com>
---FILE--
-<?php
-
-declare(strict_types=1);
-
-require 'vendor/autoload.php';
-
-use Respect\Validation\Validator as v;
-
-v::nif()->check('43333207B');
-?>
---EXPECT--
diff --git a/tests/integration/rules/nif_2.phpt b/tests/integration/rules/nif_2.phpt
deleted file mode 100644
index 7146c567..00000000
--- a/tests/integration/rules/nif_2.phpt
+++ /dev/null
@@ -1,21 +0,0 @@
---CREDITS--
-Henrique Moody <henriquemoody@gmail.com>
-Julián Gutiérrez <juliangut@gmail.com>
---FILE--
-<?php
-
-declare(strict_types=1);
-
-require 'vendor/autoload.php';
-
-use Respect\Validation\Exceptions\NifException;
-use Respect\Validation\Validator as v;
-
-try {
-    v::nif()->check('06357771Q');
-} catch (NifException $e) {
-    echo $e->getMessage();
-}
-?>
---EXPECT--
-"06357771Q" must be a NIF
diff --git a/tests/integration/rules/nif_3.phpt b/tests/integration/rules/nif_3.phpt
deleted file mode 100644
index c8f072af..00000000
--- a/tests/integration/rules/nif_3.phpt
+++ /dev/null
@@ -1,20 +0,0 @@
---CREDITS--
-Julián Gutiérrez <juliangut@gmail.com>
---FILE--
-<?php
-
-declare(strict_types=1);
-
-require 'vendor/autoload.php';
-
-use Respect\Validation\Exceptions\AllOfException;
-use Respect\Validation\Validator as v;
-
-try {
-    v::nif()->assert('06357771Q');
-} catch (AllOfException $e) {
-    echo $e->getFullMessage();
-}
-?>
---EXPECT--
-- "06357771Q" must be a NIF
diff --git a/tests/integration/rules/nif_4.phpt b/tests/integration/rules/nif_4.phpt
deleted file mode 100644
index 6b6cafd0..00000000
--- a/tests/integration/rules/nif_4.phpt
+++ /dev/null
@@ -1,21 +0,0 @@
---CREDITS--
-Henrique Moody <henriquemoody@gmail.com>
-Julián Gutiérrez <juliangut@gmail.com>
---FILE--
-<?php
-
-declare(strict_types=1);
-
-require 'vendor/autoload.php';
-
-use Respect\Validation\Exceptions\NifException;
-use Respect\Validation\Validator as v;
-
-try {
-    v::not(v::nif())->check('71110316C');
-} catch (NifException $e) {
-    echo $e->getMessage();
-}
-?>
---EXPECT--
-"71110316C" must not be a NIF
diff --git a/tests/integration/rules/nif_5.phpt b/tests/integration/rules/nif_5.phpt
deleted file mode 100644
index f8dcc099..00000000
--- a/tests/integration/rules/nif_5.phpt
+++ /dev/null
@@ -1,20 +0,0 @@
---CREDITS--
-Julián Gutiérrez <juliangut@gmail.com>
---FILE--
-<?php
-
-declare(strict_types=1);
-
-require 'vendor/autoload.php';
-
-use Respect\Validation\Exceptions\AllOfException;
-use Respect\Validation\Validator as v;
-
-try {
-    v::not(v::nif())->assert('R1332622H');
-} catch (AllOfException $e) {
-    echo $e->getFullMessage();
-}
-?>
---EXPECT--
-- "R1332622H" must not be a NIF
diff --git a/tests/integration/rules/vatin.phpt b/tests/integration/rules/vatin.phpt
new file mode 100644
index 00000000..4c63681f
--- /dev/null
+++ b/tests/integration/rules/vatin.phpt
@@ -0,0 +1,44 @@
+--CREDITS--
+Henrique Moody <henriquemoody@gmail.com>
+Tomasz Regdos <tomek@regdos.com>
+--FILE--
+<?php
+
+declare(strict_types=1);
+
+require_once 'vendor/autoload.php';
+
+use Respect\Validation\Exceptions\Locale\PlVatinException;
+use Respect\Validation\Exceptions\NestedValidationException;
+use Respect\Validation\Exceptions\VatinException;
+use Respect\Validation\Validator as v;
+
+try {
+    v::vatin('PL')->check('1645865778');
+} catch (PlVatinException $exception) {
+    echo $exception->getMessage().PHP_EOL;
+}
+
+try {
+    v::not(v::vatin('PL'))->check('1645865777');
+} catch (VatinException $exception) {
+    echo $exception->getMessage().PHP_EOL;
+}
+
+try {
+    v::vatin('PL')->assert('1645865778');
+} catch (NestedValidationException $exception) {
+    echo $exception->getFullMessage().PHP_EOL;
+}
+
+try {
+    v::not(v::vatin('PL'))->assert('1645865777');
+} catch (NestedValidationException $exception) {
+    echo $exception->getFullMessage().PHP_EOL;
+}
+?>
+--EXPECT--
+"1645865778" must be a valid Polish VAT identification number
+"1645865777" must not be a valid VAT identification number for "PL"
+- "1645865778" must be a valid Polish VAT identification number
+- "1645865777" must not be a valid VAT identification number for "PL"
diff --git a/tests/integration/rules/vatin_1.phpt b/tests/integration/rules/vatin_1.phpt
deleted file mode 100644
index adf2d14f..00000000
--- a/tests/integration/rules/vatin_1.phpt
+++ /dev/null
@@ -1,15 +0,0 @@
---CREDITS--
-Tomasz Regdos <tomek@regdos.com>
---FILE--
-<?php
-
-declare(strict_types=1);
-
-require_once 'vendor/autoload.php';
-
-use Respect\Validation\Validator as v;
-
-v::vatin('PL')->check('1645865777');
-v::vatin('PL')->assert('1645865777');
-?>
---EXPECT--
diff --git a/tests/integration/rules/vatin_2.phpt b/tests/integration/rules/vatin_2.phpt
deleted file mode 100644
index 7292c4a0..00000000
--- a/tests/integration/rules/vatin_2.phpt
+++ /dev/null
@@ -1,21 +0,0 @@
---CREDITS--
-Henrique Moody <henriquemoody@gmail.com>
-Tomasz Regdos <tomek@regdos.com>
---FILE--
-<?php
-
-declare(strict_types=1);
-
-require_once 'vendor/autoload.php';
-
-use Respect\Validation\Exceptions\Locale\PlVatinException;
-use Respect\Validation\Validator as v;
-
-try {
-    v::vatin('PL')->check('1645865778');
-} catch (PlVatinException $e) {
-    echo $e->getMessage();
-}
-?>
---EXPECT--
-"1645865778" must be a valid Polish VAT identification number
diff --git a/tests/integration/rules/vatin_3.phpt b/tests/integration/rules/vatin_3.phpt
deleted file mode 100644
index c18c0bc5..00000000
--- a/tests/integration/rules/vatin_3.phpt
+++ /dev/null
@@ -1,21 +0,0 @@
---CREDITS--
-Henrique Moody <henriquemoody@gmail.com>
-Tomasz Regdos <tomek@regdos.com>
---FILE--
-<?php
-
-declare(strict_types=1);
-
-require_once 'vendor/autoload.php';
-
-use Respect\Validation\Exceptions\AllOfException;
-use Respect\Validation\Validator as v;
-
-try {
-    v::vatin('PL')->assert('1645865778');
-} catch (AllOfException $e) {
-    echo $e->getFullMessage();
-}
-?>
---EXPECT--
-- "1645865778" must be a valid Polish VAT identification number
diff --git a/tests/integration/rules/vatin_4.phpt b/tests/integration/rules/vatin_4.phpt
deleted file mode 100644
index fdb3ec2d..00000000
--- a/tests/integration/rules/vatin_4.phpt
+++ /dev/null
@@ -1,21 +0,0 @@
---CREDITS--
-Henrique Moody <henriquemoody@gmail.com>
-Tomasz Regdos <tomek@regdos.com>
---FILE--
-<?php
-
-declare(strict_types=1);
-
-require_once 'vendor/autoload.php';
-
-use Respect\Validation\Exceptions\VatinException;
-use Respect\Validation\Validator as v;
-
-try {
-    v::not(v::vatin('PL'))->check('1645865777');
-} catch (VatinException $e) {
-    echo $e->getMessage();
-}
-?>
---EXPECT--
-"1645865777" must not be a valid VAT identification number for "PL"
diff --git a/tests/integration/rules/vatin_5.phpt b/tests/integration/rules/vatin_5.phpt
deleted file mode 100644
index 4f9bce0d..00000000
--- a/tests/integration/rules/vatin_5.phpt
+++ /dev/null
@@ -1,20 +0,0 @@
---CREDITS--
-Tomasz Regdos <tomek@regdos.com>
---FILE--
-<?php
-
-declare(strict_types=1);
-
-require_once 'vendor/autoload.php';
-
-use Respect\Validation\Exceptions\AllOfException;
-use Respect\Validation\Validator as v;
-
-try {
-    v::not(v::vatin('PL'))->assert('1645865777');
-} catch (AllOfException $e) {
-    echo $e->getFullMessage();
-}
-?>
---EXPECT--
-- "1645865777" must not be a valid VAT identification number for "PL"