diff --git a/src/Tests/TestsAPI/UnitTestApi/Controllers/UsersControllerTest.cs b/src/Tests/TestsAPI/UnitTestApi/Controllers/UsersControllerTest.cs
index 5d69fb4..0a5eb52 100644
--- a/src/Tests/TestsAPI/UnitTestApi/Controllers/UsersControllerTest.cs
+++ b/src/Tests/TestsAPI/UnitTestApi/Controllers/UsersControllerTest.cs
@@ -86,7 +86,7 @@ public class UsersControllerTest
     [TestMethod]
     public async Task Get_ReturnsPageResponse_WhenRequestIsValid()
     {
-        // Arrange
+        
         var request = new PageRequest
         {
             Index = 0,
@@ -118,7 +118,7 @@ public class UsersControllerTest
     public async Task Get_ReturnsCorrectPaginationAndOrdering(int index, int count, string orderingProperty,
         bool descending, int expectedItemCount)
     {
-        // Arrange
+        
         var request = new PageRequest
         {
             Index = index,
@@ -160,7 +160,7 @@ public class UsersControllerTest
      [TestMethod]
      public async Task GetById_ReturnsUserDto_WhenRequestIsValid()
      {
-         // Arrange
+         
          var id = 1;
          _dataManagerMock.Setup(dm => dm.UserRepo.GetItemById(id)).ReturnsAsync(_users.First(x => x.Id == id));
 
@@ -183,7 +183,7 @@ public class UsersControllerTest
      [TestMethod]
      public async Task GetById_ReturnsUserDto_WhenRequestUserDoesNotExist()
      {
-         // Arrange
+         
          var id = 0;
          _dataManagerMock.Setup(dm => dm.UserRepo.GetItemById(id)).ReturnsAsync((User)null!);
 
@@ -198,7 +198,7 @@ public class UsersControllerTest
      [TestMethod]
      public async Task GetById_Returns404_WhenIdIsInvalid()
      {
-         // Arrange
+         
          var id = -2;
 
          // Act
diff --git a/src/Tests/UnitTestsEntities/ActivityEntityTests.cs b/src/Tests/UnitTestsEntities/ActivityEntityTests.cs
index f505bd7..9705e38 100644
--- a/src/Tests/UnitTestsEntities/ActivityEntityTests.cs
+++ b/src/Tests/UnitTestsEntities/ActivityEntityTests.cs
@@ -138,7 +138,7 @@ public class ActivityEntityTests (DatabaseFixture fixture) : IClassFixture<Datab
     [Fact]
     public void Add_Activity_With_All_Properties_Success()
     {
-        // Arrange
+        
         var activity = new ActivityEntity
         {
             Type = "Running",
diff --git a/src/Tests/UnitTestsEntities/HeartRateEntityTests.cs b/src/Tests/UnitTestsEntities/HeartRateEntityTests.cs
index ceaa4ff..9652796 100644
--- a/src/Tests/UnitTestsEntities/HeartRateEntityTests.cs
+++ b/src/Tests/UnitTestsEntities/HeartRateEntityTests.cs
@@ -183,7 +183,7 @@ public class HeartRateEntityTests (DatabaseFixture fixture) : IClassFixture<Data
     [Fact]
     public void Add_HeartRate_With_All_Properties_Success()
     {
-        // Arrange
+        
         var activity = new ActivityEntity
         {
             Type = "Running",
diff --git a/src/Tests/UnitTestsEntities/StatisticEntityTests.cs b/src/Tests/UnitTestsEntities/StatisticEntityTests.cs
index 8c3fb6a..2e980e3 100644
--- a/src/Tests/UnitTestsEntities/StatisticEntityTests.cs
+++ b/src/Tests/UnitTestsEntities/StatisticEntityTests.cs
@@ -155,7 +155,7 @@ public class StatisticEntityTests (DatabaseFixture fixture) : IClassFixture<Data
     [Fact]
     public void Add_Statistic_With_All_Properties_Success()
     {
-        // Arrange
+        
         var athlete = new AthleteEntity
         {
             Username = "athlete_user",