Add additional main actor isolation.

Author: ih-codes

firefox-ios/firefox-ios-tests/Tests/XCUITests/DownloadsTests.swift

@@ -21,7 +21,7 @@ class DownloadsTests: BaseTestCase {
             print("⚠️ Navigator is nil in tearDown — skipping cleanup.")
             return
         }
-        
+
         // The downloaded file has to be removed between tests
         app.terminate()
         app.launch()

firefox-ios/firefox-ios-tests/Tests/XCUITests/FxScreenGraph.swift

@@ -292,6 +292,7 @@ extension MMNavigator where T == FxUserState {
         performAction(Action.LoadURLByTyping)
     }
 
+    @MainActor
     func mozWaitForElementToExist(_ element: XCUIElement, timeout: TimeInterval? = TIMEOUT) {
         let startTime = Date()
 
@@ -305,6 +306,7 @@ extension MMNavigator where T == FxUserState {
     }
 
     // Opens a URL in a new tab.
+    @MainActor
     func openNewURL(urlString: String) {
         let app = XCUIApplication()
         mozWaitForElementToExist(app.buttons[AccessibilityIdentifiers.Toolbar.tabsButton], timeout: 10)
@@ -314,6 +316,7 @@ extension MMNavigator where T == FxUserState {
     }
 
     // Add a new Tab from the New Tab option in Browser Tab Menu
+    @MainActor
     func createNewTab() {
         let app = XCUIApplication()
         self.goto(TabTray)
@@ -322,6 +325,7 @@ extension MMNavigator where T == FxUserState {
     }
 
     // Add Tab(s) from the Tab Tray
+    @MainActor
     func createSeveralTabsFromTabTray(numberTabs: Int) {
         let app = XCUIApplication()
         for _ in 1...numberTabs {

firefox-ios/firefox-ios-tests/Tests/XCUITests/ScreenGraphTest.swift

@@ -119,13 +119,15 @@ private class TestActions {
     static let LoadURLByPasting = "LoadURLByPasting"
 }
 
+@MainActor
 public var isTablet: Bool {
     // There is more value in a variable having the same name,
     // so it can be used in both predicates and in code
     // than avoiding the duplication of one line of code.
     return UIDevice.current.userInterfaceIdiom == .pad
 }
 
+@MainActor
 private func createTestGraph(for test: XCTestCase, with app: XCUIApplication) -> MMScreenGraph<TestUserState> {
     let map = MMScreenGraph(for: test, with: TestUserState.self)
 

firefox-ios/firefox-ios-tests/Tests/XCUITests/Selectors/WebsiteDataSelectorSet.swift

@@ -16,9 +16,14 @@ protocol WebsiteDataSelectorsSet {
     var EXAMPLE_CONTAINS: Selector { get }
     var CIRCLE_IMAGE_ANYWHERE: Selector { get }
     var STATIC_TEXT_EXAMPLE_IN_CELL: Selector { get }
+
+    @MainActor
     func clearAllLabel(in app: XCUIApplication) -> XCUIElement
+    @MainActor
     func circleImageInsideCells(_ app: XCUIApplication) -> XCUIElement
+    @MainActor
     func anyTableButton(_ app: XCUIApplication) -> XCUIElement
+
     var all: [Selector] { get }
 }
 
@@ -102,14 +107,17 @@ struct WebsiteDataSelectors: WebsiteDataSelectorsSet {
         groups: ["settings", "websitedata"]
     )
 
+    @MainActor
     func clearAllLabel(in app: XCUIApplication) -> XCUIElement {
         app.tables.cells[IDs.clearAllCell].staticTexts[IDs.clearAllLabel]
     }
 
+    @MainActor
     func circleImageInsideCells(_ app: XCUIApplication) -> XCUIElement {
         return app.cells.images.matching(identifier: IDs.circleImageId).firstMatch
     }
 
+    @MainActor
     func anyTableButton(_ app: XCUIApplication) -> XCUIElement {
         return app.tables.buttons.firstMatch
     }