Generate TestPlan via Tuist to prevent stale ids

.github/actions/perform_unit_tests/action.yml

@@ -32,7 +32,6 @@ runs:
           -project firefox-ios/Client.xcodeproj \
           -configuration Testing \
           -enableCodeCoverage NO \
-          -testPlan UnitTest \
           -destination 'platform=iOS Simulator,name=iPhone 17' \
           -resultBundlePath TestResults.xcresult \
           -derivedDataPath DerivedData \
@@ -48,4 +47,4 @@ runs:
         require_tests: false
         include_passed: true
         detailed_summary: true
-        fail_on_failure: false
+        fail_on_failure: false

firefox-ios/Tuist/ProjectDescriptionHelpers/Schemes+Ecosia.swift

@@ -1,16 +1,58 @@
 import ProjectDescription
 
-/// Ecosia schemes. Test plan must match CI (.github/actions/perform_unit_tests/action.yml).
+/// Ecosia schemes.
+///
+/// Test targets and skipped tests are declared inline so Tuist resolves
+/// identifiers at generation time — no manually-maintained .xctestplan
+/// with fragile UUIDs needed.
 public enum EcosiaSchemes {
 
+    // MARK: - Shared test targets
+
+    /// Test targets shared by Ecosia & EcosiaBeta schemes.
+    private static let unitTestTargets: [TestableTarget] = [
+        "EcosiaTests",
+        "ClientTests",
+        "SyncTests",
+        "StorageTests",
+        "SharedTests",
+        "SyncTelemetryTests",
+    ]
+
+    /// Tests to skip across all unit-test schemes.
+    ///
+    /// Format: `"ClassName/methodName()"` for a single test,
+    ///         `"ClassName"` for an entire test class.
+    /// These are written into the xcscheme's `<SkippedTests>` section.
+    private static let skippedTests: [String] = [
+        // EcosiaTests
+        "AppDelegateFeatureManagementIntegrationTests/testStateAfterDidBecomeActive_expectesSameModel_AfterDidFinishLaunchingWithOptions()",
+
+        // ClientTests
+        "ContentBlockerTests/testCompileListsNotInStore_callsCompletionHandlerSuccessfully()",
+        "GeneralizedImageFetcherTests/testBadStatusCode()",
+        "GeneralizedImageFetcherTests/testErrorResponse()",
+        "GeneralizedImageFetcherTests/testNilData()",
+        "GleanPlumbMessageManagerTests/testManagerOnMessagePressed_withMalformedURL()",
+        "IntroScreenManagerTests/testHasSeenIntroScreen_shouldNotShowIt()",
+        "ShortcutRouteTests",
+        "SyncContentSettingsViewControllerTests",
+
+        // StorageTests
+        "TestBrowserDB/testMovesDB()",
+    ]
+
+    // MARK: - Schemes
+
     public static let all: [Scheme] = [
         .scheme(
             name: "Ecosia",
             buildAction: .buildAction(targets: ["Client"]),
-            testAction: .testPlans(
-                ["firefox-ios-tests/Tests/UnitTest.xctestplan"],
+            testAction: .targets(
+                unitTestTargets,
                 configuration: "Testing",
-                attachDebugger: false
+                attachDebugger: false,
+                skippedTests: skippedTests
             ),
             runAction: .runAction(
                 executable: "Client",
@@ -23,10 +65,11 @@ public enum EcosiaSchemes {
         .scheme(
             name: "EcosiaBeta",
             buildAction: .buildAction(targets: ["Client"]),
-            testAction: .testPlans(
-                ["firefox-ios-tests/Tests/UnitTest.xctestplan"],
+            testAction: .targets(
+                unitTestTargets,
                 configuration: "Testing",
-                attachDebugger: false
+                attachDebugger: false,
+                skippedTests: skippedTests
             ),
             runAction: .runAction(
                 configuration: "BetaDebug",
@@ -46,4 +89,4 @@ public enum EcosiaSchemes {
             runAction: .runAction(executable: "Client")
         ),
     ]
-}
+}