diff --git a/tests/Cheeper/Tests/Chapter5/Application/Author/Query/CountFollowersQueryHandler/WithRedisAccess/CountFollowersQueryHandlerTest.php b/tests/Cheeper/Tests/Chapter5/Application/Author/Query/CountFollowersQueryHandler/WithRedisAccess/CountFollowersQueryHandlerTest.php
index 2421787..0a5cc24 100644
--- a/tests/Cheeper/Tests/Chapter5/Application/Author/Query/CountFollowersQueryHandler/WithRedisAccess/CountFollowersQueryHandlerTest.php
+++ b/tests/Cheeper/Tests/Chapter5/Application/Author/Query/CountFollowersQueryHandler/WithRedisAccess/CountFollowersQueryHandlerTest.php
@@ -56,7 +56,7 @@ final class CountFollowersQueryHandlerTest extends TestCase
             )
         );
 
-        $expectedReponse = new CountFollowersResponse(
+        $expectedResponse = new CountFollowersResponse(
             authorId: $authorId,
             authorUsername: $authorUsername,
             numberOfFollowers: $authorFollowers
@@ -67,23 +67,23 @@ final class CountFollowersQueryHandlerTest extends TestCase
         );
 
         $this->assertSame(
-            $expectedReponse->authorId(),
+            $expectedResponse->authorId(),
             $actualResponse->authorId()
         );
 
         $this->assertSame(
-            $expectedReponse->authorUsername(),
+            $expectedResponse->authorUsername(),
             $actualResponse->authorUsername()
         );
 
         $this->assertSame(
-            $expectedReponse->numberOfFollowers(),
+            $expectedResponse->numberOfFollowers(),
             $actualResponse->numberOfFollowers()
         );
 
         // In PHPUnit, there is also the chance to
         // compare the whole content of the object
-        // $this->assertEquals($expectedReponse, $actualResponse);
+        // $this->assertEquals($expectedResponse, $actualResponse);
     }
 
     private function buildRedisMockReturning($fakeReturn): Redis
diff --git a/tests/Cheeper/Tests/Chapter6/Application/Author/Projection/CountFollowersProjectionHandlerTest.php b/tests/Cheeper/Tests/Chapter6/Application/Author/Projection/CountFollowersProjectionHandlerTest.php
index fc021a1..2b25baa 100644
--- a/tests/Cheeper/Tests/Chapter6/Application/Author/Projection/CountFollowersProjectionHandlerTest.php
+++ b/tests/Cheeper/Tests/Chapter6/Application/Author/Projection/CountFollowersProjectionHandlerTest.php
@@ -54,16 +54,14 @@ final class CountFollowersProjectionHandlerTest extends TestCase
         $redisMock = $this->createMock(\Redis::class);
         $redisMock
             ->expects($this->once())
-            ->method('set')
+            ->method('hmset')
             ->with(
-                'author_followers_counter_projection:'.$authorId,
-                json_encode(
-                    [
-                        'id' => $authorId,
-                        'username' => $authorUsername,
-                        'followers' => $authorFollowers,
-                    ]
-                )
+            'author_followers_counter_projection:'.$authorId,
+                [
+                    'id' => $authorId,
+                    'username' => $authorUsername,
+                    'followers' => $authorFollowers,
+                ]
             )
         ;
 
diff --git a/tests/Cheeper/Tests/Chapter7/Application/Author/Projection/CountFollowersProjectionHandlerTest.php b/tests/Cheeper/Tests/Chapter7/Application/Author/Projection/CountFollowersProjectionHandlerTest.php
index ed2ccab..82105b2 100644
--- a/tests/Cheeper/Tests/Chapter7/Application/Author/Projection/CountFollowersProjectionHandlerTest.php
+++ b/tests/Cheeper/Tests/Chapter7/Application/Author/Projection/CountFollowersProjectionHandlerTest.php
@@ -58,8 +58,8 @@ final class CountFollowersProjectionHandlerTest extends TestCase
         $redisMock = $this->createMock(\Redis::class);
         $redisMock
             ->expects($this->once())
-            ->method('set')
-            ->with($redisKey, json_encode($redisRecord));
+            ->method('hmset')
+            ->with($redisKey, $redisRecord);
 
         $dbMock = $this->buildEntityManagerMockReturning($redisRecord);
 
diff --git a/tests/Cheeper/Tests/Chapter7/Application/Author/Projection/CreateFollowersCounterProjectionHandlerTest.php b/tests/Cheeper/Tests/Chapter7/Application/Author/Projection/CreateFollowersCounterProjectionHandlerTest.php
index 6fd9867..04192ab 100644
--- a/tests/Cheeper/Tests/Chapter7/Application/Author/Projection/CreateFollowersCounterProjectionHandlerTest.php
+++ b/tests/Cheeper/Tests/Chapter7/Application/Author/Projection/CreateFollowersCounterProjectionHandlerTest.php
@@ -25,8 +25,8 @@ final class CreateFollowersCounterProjectionHandlerTest extends TestCase
         $redisMock = $this->createMock(\Redis::class);
         $redisMock
             ->expects($this->once())
-            ->method('set')
-            ->with($redisKey, json_encode($redisRecord));
+            ->method('hmset')
+            ->with($redisKey, $redisRecord);
 
         $handler = new CreateFollowersCounterProjectionHandler(
             $redisMock,