Implement new space selector bottom sheet (#6518)

* Delight: Edit layout experiment #6079

RiotSwiftUI/Modules/Spaces/SpaceSelectorBottomSheet/SpaceSelector/Test/Unit/SpaceSelectorViewModelTests.swift

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+// 
+// Copyright 2021 New Vector Ltd
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+import XCTest
+import Combine
+
+@testable import RiotSwiftUI
+
+class SpaceSelectorViewModelTests: XCTestCase {
+    
+    var service: MockSpaceSelectorService!
+    var viewModel: SpaceSelectorViewModelProtocol!
+    var context: SpaceSelectorViewModelType.Context!
+    var cancellables = Set<AnyCancellable>()
+    
+    override func setUpWithError() throws {
+        service = MockSpaceSelectorService()
+        viewModel = SpaceSelectorViewModel.makeViewModel(service: service)
+        context = viewModel.context
+    }
+
+    func testInitialState() {
+        XCTAssertEqual(context.viewState.selectedSpaceId, MockSpaceSelectorService.homeItem.id)
+        XCTAssertEqual(context.viewState.items, MockSpaceSelectorService.defaultSpaceList)
+        XCTAssertEqual(context.viewState.navigationTitle, VectorL10n.spaceSelectorTitle)
+    }
+
+}