diff --git a/AutoCat/Screens/FiltersScreen/FiltersScreen.swift b/AutoCat/Screens/FiltersScreen/FiltersScreen.swift
index 2d71b06..be5d1d0 100644
--- a/AutoCat/Screens/FiltersScreen/FiltersScreen.swift
+++ b/AutoCat/Screens/FiltersScreen/FiltersScreen.swift
@@ -19,6 +19,8 @@ enum DetailScreen: Hashable {
 
 struct FiltersScreen: View {
     
+    @Environment(\.dismiss) var dismiss
+    
     @State var viewModel: FiltersViewModel
     
     var body: some View {
@@ -107,6 +109,7 @@ struct FiltersScreen: View {
             ToolbarItem(placement: .topBarTrailing) {
                 Button("Done") {
                     viewModel.applyFilters()
+                    dismiss()
                 }
             }
         }
diff --git a/AutoCatCore/Models/VehicleRegion.swift b/AutoCatCore/Models/VehicleRegion.swift
index 0153f62..28cd847 100644
--- a/AutoCatCore/Models/VehicleRegion.swift
+++ b/AutoCatCore/Models/VehicleRegion.swift
@@ -4,6 +4,11 @@ public struct VehicleRegion: Codable, Hashable, Sendable {
     public var name: String
     public var codes: [Int]
     
+    public init(name: String, codes: [Int]) {
+        self.name = name
+        self.codes = codes
+    }
+    
     public static func == (lhs: VehicleRegion, rhs: VehicleRegion) -> Bool {
         return lhs.name == rhs.name
     }
diff --git a/AutoCatCore/Services/SettingsService/SettingsServiceProtocol.swift b/AutoCatCore/Services/SettingsService/SettingsServiceProtocol.swift
index 722ec0f..c4b4ec1 100644
--- a/AutoCatCore/Services/SettingsService/SettingsServiceProtocol.swift
+++ b/AutoCatCore/Services/SettingsService/SettingsServiceProtocol.swift
@@ -6,8 +6,9 @@
 //  Copyright © 2024 Selim Mustafaev. All rights reserved.
 //
 
-import Foundation
+import Mockable
 
+@Mockable
 public protocol SettingsServiceProtocol {
     
     var user: User { get set }
diff --git a/AutoCatTests/Extensions/TestError.swift b/AutoCatTests/Extensions/TestError.swift
new file mode 100644
index 0000000..d186183
--- /dev/null
+++ b/AutoCatTests/Extensions/TestError.swift
@@ -0,0 +1,20 @@
+//
+//  TestError.swift
+//  AutoCatTests
+//
+//  Created by Selim Mustafaev on 12.11.2024.
+//  Copyright © 2024 Selim Mustafaev. All rights reserved.
+//
+
+import Foundation
+
+enum TestError: LocalizedError {
+    
+    case generic
+    
+    var errorDescription: String? {
+        switch self {
+        case .generic: return "Generic test error"
+        }
+    }
+}
diff --git a/AutoCatTests/FiltersTests.swift b/AutoCatTests/FiltersTests.swift
new file mode 100644
index 0000000..4ed7fd0
--- /dev/null
+++ b/AutoCatTests/FiltersTests.swift
@@ -0,0 +1,117 @@
+//
+//  FiltersTests.swift
+//  AutoCatTests
+//
+//  Created by Selim Mustafaev on 12.11.2024.
+//  Copyright © 2024 Selim Mustafaev. All rights reserved.
+//
+
+import Testing
+import AutoCatCore
+import Mockable
+@testable import AutoCat
+
+@MainActor
+struct FiltersTests {
+    
+    var settingsServiceMock = MockSettingsServiceProtocol()
+    var apiServiceMock = MockApiServiceProtocol()
+    var viewModel: FiltersViewModel
+    
+    let testBrand = "testBrand"
+    let testColor = "testColor"
+    let testModel = "testModel"
+    let testRegion = VehicleRegion(name: "testRegion", codes: [111])
+    let testYear = 2222
+    
+    init() {
+        ServiceContainer.shared.register(SettingsServiceProtocol.self, instance: settingsServiceMock)
+        ServiceContainer.shared.register(ApiServiceProtocol.self, instance: apiServiceMock)
+        viewModel = FiltersViewModel(filter: Filter())
+    }
+
+    @Test("Main filters data loaded")
+    func mainDataLoaded() async {
+        
+        given(apiServiceMock)
+            .getBrands().willReturn([testBrand])
+            .getColors().willReturn([testColor])
+            .getRegions().willReturn([testRegion])
+            .getYears().willReturn([testYear])
+            .getModels(of: .value(testBrand)).willReturn([testModel])
+        
+        await viewModel.loadData()
+        await viewModel.loadModels(brand: testBrand)
+        
+        verify(apiServiceMock)
+            .getBrands().called(.once)
+            .getColors().called(.once)
+            .getYears().called(.once)
+            .getModels(of: .value(testBrand)).called(.once)
+            .getRegions().called(.never)
+        
+        #expect(viewModel.brands == [.any, .value(testBrand)])
+        #expect(viewModel.colors == [.any, .value(testColor)])
+        #expect(viewModel.years == [.any, .value(String(testYear))])
+        #expect(viewModel.models == [.any, .value(testModel)])
+    }
+
+    @Test("Try second load")
+    func trySecondLoad() async throws {
+        
+        viewModel.brands.append(.value(testBrand))
+        viewModel.colors.append(.value(testColor))
+        viewModel.years.append(.value(String(testYear)))
+        viewModel.models.append(.value(testModel))
+        
+        await viewModel.loadData()
+        
+        verify(apiServiceMock)
+            .getBrands().called(.never)
+            .getColors().called(.never)
+            .getYears().called(.never)
+            .getModels(of: .any).called(.never)
+            .getRegions().called(.never)
+        
+        #expect(viewModel.brands == [.any, .value(testBrand)])
+        #expect(viewModel.colors == [.any, .value(testColor)])
+        #expect(viewModel.years == [.any, .value(String(testYear))])
+        #expect(viewModel.models == [.any, .value(testModel)])
+    }
+    
+    @Test("Load data error")
+    func loadDataError() async throws {
+        
+        given(apiServiceMock)
+            .getBrands().willThrow(TestError.generic)
+            .getColors().willThrow(TestError.generic)
+            .getRegions().willThrow(TestError.generic)
+            .getYears().willThrow(TestError.generic)
+            .getModels(of: .any).willThrow(TestError.generic)
+        
+        await viewModel.loadData()
+        await viewModel.loadModels(brand: testBrand)
+        
+        #expect(viewModel.brands == [.any])
+        #expect(viewModel.colors == [.any])
+        #expect(viewModel.years == [.any])
+        #expect(viewModel.models == [.any])
+    }
+    
+    @Test("Clear all filters")
+    func clearAllFilters() async throws {
+        
+        viewModel.currentBrand = .value(testBrand)
+        viewModel.filter.brand = .value(testBrand)
+        viewModel.filter.color = .value(testColor)
+        viewModel.filter.year = .value(String(testYear))
+        viewModel.filter.model = .value(testModel)
+        
+        viewModel.clearAllFilters()
+        
+        #expect(viewModel.filter.brand == .any)
+        #expect(viewModel.filter.color == .any)
+        #expect(viewModel.filter.year == .any)
+        #expect(viewModel.filter.model == .any)
+    }
+}
diff --git a/AutoCatTests/Mocks/ApiServiceMock.swift b/AutoCatTests/Mocks/ApiServiceMock.swift
deleted file mode 100644
index 4202822..0000000
--- a/AutoCatTests/Mocks/ApiServiceMock.swift
+++ /dev/null
@@ -1,37 +0,0 @@
-//
-//  ApiServiceMock.swift
-//  AutoCatTests
-//
-//  Created by Selim Mustafaev on 13.07.2024.
-//  Copyright © 2024 Selim Mustafaev. All rights reserved.
-//
-
-import AutoCatCore
-
-actor ApiServiceMock {
-    
-    var vehicle = VehicleDto()
-    
-    func setVehicle(_ vehicle: VehicleDto) async {
-        self.vehicle = vehicle
-    }
-    
-    func addNote(text: String) async {
-        vehicle.notes.append(VehicleNoteDto(text: text))
-    }
-}
-
-extension ApiServiceMock: ApiServiceProtocol {
-    
-    func add(notes: [VehicleNoteDto], to number: String) async throws -> VehicleDto {
-        vehicle
-    }
-    
-    func edit(note: VehicleNoteDto) async throws -> VehicleDto {
-        vehicle
-    }
-    
-    func remove(note id: String) async throws -> VehicleDto {
-        vehicle
-    }
-}