diff --git a/tests/Unit/Blocks/BulletedListItemTest.php b/tests/Unit/Blocks/BulletedListItemTest.php
index d58e570d..751c8d8f 100644
--- a/tests/Unit/Blocks/BulletedListItemTest.php
+++ b/tests/Unit/Blocks/BulletedListItemTest.php
@@ -2,6 +2,7 @@
 
 namespace Notion\Test\Unit\Blocks;
 
+use Notion\Blocks\BlockFactory;
 use Notion\Blocks\BulletedListItem;
 use Notion\Common\Date;
 use Notion\Common\RichText;
@@ -81,6 +82,8 @@ public function test_create_from_array(): void
         $this->assertEmpty($item->children());
         $this->assertEquals("Notion items rock!", $item->toString());
         $this->assertFalse($item->block()->archived());
+
+        $this->assertEquals($item, BlockFactory::fromArray($array));
     }
 
     public function test_error_on_wrong_type(): void
diff --git a/tests/Unit/Blocks/CalloutTest.php b/tests/Unit/Blocks/CalloutTest.php
index dbfa207c..077042fc 100644
--- a/tests/Unit/Blocks/CalloutTest.php
+++ b/tests/Unit/Blocks/CalloutTest.php
@@ -2,6 +2,7 @@
 
 namespace Notion\Test\Unit\Blocks;
 
+use Notion\Blocks\BlockFactory;
 use Notion\Blocks\Callout;
 use Notion\Common\Date;
 use Notion\Common\Emoji;
@@ -87,6 +88,8 @@ public function test_create_from_array_with_emoji_icon(): void
         $this->assertEquals("Notion callouts rock!", $callout->toString());
         $this->assertEquals("☀️", $callout->icon()->emoji());
         $this->assertFalse($callout->block()->archived());
+
+        $this->assertEquals($callout, BlockFactory::fromArray($array));
     }
 
     public function test_create_from_array_with_icon_file(): void
diff --git a/tests/Unit/Blocks/CodeTest.php b/tests/Unit/Blocks/CodeTest.php
index e4877968..7af96e58 100644
--- a/tests/Unit/Blocks/CodeTest.php
+++ b/tests/Unit/Blocks/CodeTest.php
@@ -2,6 +2,7 @@
 
 namespace Notion\Test\Unit\Blocks;
 
+use Notion\Blocks\BlockFactory;
 use Notion\Blocks\Code;
 use Notion\Common\Date;
 use Notion\Common\RichText;
@@ -55,6 +56,7 @@ public function test_create_from_array(): void
 
         $this->assertCount(1, $code->text());
         $this->assertEquals("<?php\necho 'Hello World!';", $code->toString());
+        $this->assertEquals($code, BlockFactory::fromArray($array));
     }
 
     public function test_error_on_wrong_type(): void
diff --git a/tests/Unit/Blocks/Heading1Test.php b/tests/Unit/Blocks/Heading1Test.php
index e0811db8..444054d9 100644
--- a/tests/Unit/Blocks/Heading1Test.php
+++ b/tests/Unit/Blocks/Heading1Test.php
@@ -2,6 +2,7 @@
 
 namespace Notion\Test\Unit\Blocks;
 
+use Notion\Blocks\BlockFactory;
 use Notion\Blocks\Heading1;
 use Notion\Common\Date;
 use Notion\Common\RichText;
@@ -79,6 +80,8 @@ public function test_create_from_array(): void
         $this->assertCount(2, $heading->text());
         $this->assertEquals("Notion headings rock!", $heading->toString());
         $this->assertFalse($heading->block()->archived());
+
+        $this->assertEquals($heading, BlockFactory::fromArray($array));
     }
 
     public function test_error_on_wrong_type(): void
diff --git a/tests/Unit/Blocks/Heading2Test.php b/tests/Unit/Blocks/Heading2Test.php
index 505b4c58..8a5ae8d3 100644
--- a/tests/Unit/Blocks/Heading2Test.php
+++ b/tests/Unit/Blocks/Heading2Test.php
@@ -2,6 +2,7 @@
 
 namespace Notion\Test\Unit\Blocks;
 
+use Notion\Blocks\BlockFactory;
 use Notion\Blocks\Heading2;
 use Notion\Common\Date;
 use Notion\Common\RichText;
@@ -79,6 +80,8 @@ public function test_create_from_array(): void
         $this->assertCount(2, $heading->text());
         $this->assertEquals("Notion headings rock!", $heading->toString());
         $this->assertFalse($heading->block()->archived());
+
+        $this->assertEquals($heading, BlockFactory::fromArray($array));
     }
 
     public function test_error_on_wrong_type(): void
diff --git a/tests/Unit/Blocks/Heading3Test.php b/tests/Unit/Blocks/Heading3Test.php
index 4ecd9981..bfe541ac 100644
--- a/tests/Unit/Blocks/Heading3Test.php
+++ b/tests/Unit/Blocks/Heading3Test.php
@@ -2,6 +2,7 @@
 
 namespace Notion\Test\Unit\Blocks;
 
+use Notion\Blocks\BlockFactory;
 use Notion\Blocks\Heading3;
 use Notion\Common\Date;
 use Notion\Common\RichText;
@@ -79,6 +80,8 @@ public function test_create_from_array(): void
         $this->assertCount(2, $heading->text());
         $this->assertEquals("Notion headings rock!", $heading->toString());
         $this->assertFalse($heading->block()->archived());
+
+        $this->assertEquals($heading, BlockFactory::fromArray($array));
     }
 
     public function test_error_on_wrong_type(): void
diff --git a/tests/Unit/Blocks/NumberedListItemTest.php b/tests/Unit/Blocks/NumberedListItemTest.php
index ae00e99b..32015d71 100644
--- a/tests/Unit/Blocks/NumberedListItemTest.php
+++ b/tests/Unit/Blocks/NumberedListItemTest.php
@@ -2,6 +2,7 @@
 
 namespace Notion\Test\Unit\Blocks;
 
+use Notion\Blocks\BlockFactory;
 use Notion\Blocks\NumberedListItem;
 use Notion\Common\Date;
 use Notion\Common\RichText;
@@ -81,6 +82,8 @@ public function test_create_from_array(): void
         $this->assertEmpty($item->children());
         $this->assertEquals("Notion items rock!", $item->toString());
         $this->assertFalse($item->block()->archived());
+
+        $this->assertEquals($item, BlockFactory::fromArray($array));
     }
 
     public function test_error_on_wrong_type(): void
diff --git a/tests/Unit/Blocks/ParagraphTest.php b/tests/Unit/Blocks/ParagraphTest.php
index 3ee6b99f..edb2023b 100644
--- a/tests/Unit/Blocks/ParagraphTest.php
+++ b/tests/Unit/Blocks/ParagraphTest.php
@@ -2,6 +2,7 @@
 
 namespace Notion\Test\Unit\Blocks;
 
+use Notion\Blocks\BlockFactory;
 use Notion\Blocks\Paragraph;
 use Notion\Common\Date;
 use Notion\Common\RichText;
@@ -81,6 +82,8 @@ public function test_create_from_array(): void
         $this->assertEmpty($paragraph->children());
         $this->assertEquals("Notion paragraphs rock!", $paragraph->toString());
         $this->assertFalse($paragraph->block()->archived());
+
+        $this->assertEquals($paragraph, BlockFactory::fromArray($array));
     }
 
     public function test_error_on_wrong_type(): void
diff --git a/tests/Unit/Blocks/QuoteTest.php b/tests/Unit/Blocks/QuoteTest.php
index 39d1e927..1cc2da03 100644
--- a/tests/Unit/Blocks/QuoteTest.php
+++ b/tests/Unit/Blocks/QuoteTest.php
@@ -2,6 +2,7 @@
 
 namespace Notion\Test\Unit\Blocks;
 
+use Notion\Blocks\BlockFactory;
 use Notion\Blocks\Quote;
 use Notion\Common\Date;
 use Notion\Common\RichText;
@@ -81,6 +82,8 @@ public function test_create_from_array(): void
         $this->assertEmpty($quote->children());
         $this->assertEquals("Notion quotes rock!", $quote->toString());
         $this->assertFalse($quote->block()->archived());
+
+        $this->assertEquals($quote, BlockFactory::fromArray($array));
     }
 
     public function test_error_on_wrong_type(): void
diff --git a/tests/Unit/Blocks/ToDoTest.php b/tests/Unit/Blocks/ToDoTest.php
index 8e87e763..82d20c71 100644
--- a/tests/Unit/Blocks/ToDoTest.php
+++ b/tests/Unit/Blocks/ToDoTest.php
@@ -2,6 +2,7 @@
 
 namespace Notion\Test\Unit\Blocks;
 
+use Notion\Blocks\BlockFactory;
 use Notion\Blocks\ToDo;
 use Notion\Common\Date;
 use Notion\Common\RichText;
@@ -84,6 +85,8 @@ public function test_create_from_array(): void
         $this->assertEquals("Notion to dos rock!", $toDo->toString());
         $this->assertTrue($toDo->checked());
         $this->assertFalse($toDo->block()->archived());
+
+        $this->assertEquals($toDo, BlockFactory::fromArray($array));
     }
 
     public function test_error_on_wrong_type(): void
diff --git a/tests/Unit/Blocks/ToggleTest.php b/tests/Unit/Blocks/ToggleTest.php
index 85d04d77..baf27f57 100644
--- a/tests/Unit/Blocks/ToggleTest.php
+++ b/tests/Unit/Blocks/ToggleTest.php
@@ -2,6 +2,7 @@
 
 namespace Notion\Test\Unit\Blocks;
 
+use Notion\Blocks\BlockFactory;
 use Notion\Blocks\Toggle;
 use Notion\Common\Date;
 use Notion\Common\RichText;
@@ -81,6 +82,8 @@ public function test_create_from_array(): void
         $this->assertEmpty($toggle->children());
         $this->assertEquals("Notion toggles rock!", $toggle->toString());
         $this->assertFalse($toggle->block()->archived());
+
+        $this->assertEquals($toggle, BlockFactory::fromArray($array));
     }
 
     public function test_error_on_wrong_type(): void