Address jmagman todos (#85348)

dev/devicelab/bin/tasks/build_ios_framework_module_test.dart

@@ -239,36 +239,24 @@ Future<void> _testBuildIosFramework(Directory projectDir, { bool isModule = fals
 
     await _checkBitcode(engineFrameworkPath, mode);
 
-    // TODO(jmagman): Remove ios-x86_64-simulator checks when the ARM simulator engine artifacts rolls.
-    final String x86SimulatorFramework = path.join(
+    checkFileExists(path.join(
       outputPath,
       mode,
       'Flutter.xcframework',
-      'ios-x86_64-simulator',
+      'ios-arm64_x86_64-simulator',
       'Flutter.framework',
-    );
+      'Flutter',
+    ));
 
-    final String x86ArmSimulatorFramework = path.join(
+    checkFileExists(path.join(
       outputPath,
       mode,
       'Flutter.xcframework',
       'ios-arm64_x86_64-simulator',
       'Flutter.framework',
-    );
-
-    final bool x86SimulatorBinaryExists = exists(File(path.join(x86SimulatorFramework, 'Flutter')));
-    final bool x86ArmSimulatorBinaryExists = exists(File(path.join(x86ArmSimulatorFramework, 'Flutter')));
-
-    if (!x86SimulatorBinaryExists && !x86ArmSimulatorBinaryExists) {
-      throw TaskResult.failure('Expected Flutter engine artifact binary to exist');
-    }
-
-    final bool x86SimulatorHeaderExists = exists(File(path.join(x86SimulatorFramework, 'Headers', 'Flutter.h')));
-    final bool x86ArmSimulatorHeaderExists = exists(File(path.join(x86ArmSimulatorFramework, 'Headers', 'Flutter.h')));
-
-    if (!x86SimulatorHeaderExists && !x86ArmSimulatorHeaderExists) {
-      throw TaskResult.failure('Expected Flutter.h engine artifact to exist');
-    }
+      'Headers',
+      'Flutter.h',
+    ));
   }
 
   section('Check all modes have plugins');

dev/devicelab/bin/tasks/gradle_non_android_plugin_test.dart

@@ -9,8 +9,7 @@ import 'package:flutter_devicelab/framework/task_result.dart';
 
 Future<void> main() async {
   await task(() async {
-    // TODO(jmagman): Remove once gradle_non_android_plugin_test builder can be deleted
-    // when https://github.com/flutter/flutter/pull/80161 rolls to stable.
+    // TODO(jmagman): Remove once gradle_non_android_plugin_test builder can be deleted, https://github.com/flutter/flutter/issues/85347
     return TaskResult.success(null);
   });
 }

dev/devicelab/bin/tasks/ios_app_with_extensions_test.dart

@@ -32,10 +32,6 @@ Future<void> main() async {
         projectDir,
       );
 
-      // For some reason devicelab machines have really old spec snapshots.
-      // TODO(jmagman): Remove this if this test is moved to a machine that installs CocoaPods on every run.
-      await eval('pod', <String>['repo', 'update', '--verbose']);
-
       section('Create release build');
 
       await inDirectory(projectDir, () async {