Seems the rendering is not that equal after all...

Also add a constant device size for all goldens

test/nutrition/nutritional_plan_screen_test.dart

@@ -16,6 +16,8 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+import 'dart:io';
+
 import 'package:drift/native.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_test/flutter_test.dart';
@@ -92,10 +94,12 @@ void main() {
       await tester.tap(find.byType(TextButton));
       await tester.pumpAndSettle();
 
-      await expectLater(
-        find.byType(NutritionalPlanScreen),
-        matchesGoldenFile('goldens/nutritional_plan_1_default_view.png'),
-      );
+      if (Platform.isLinux) {
+        await expectLater(
+          find.byType(NutritionalPlanScreen),
+          matchesGoldenFile('goldens/nutritional_plan_1_default_view.png'),
+        );
+      }
 
       // Default view shows plan description, info button, and no ingredients
       expect(find.text('Less fat, more protein'), findsOneWidget);
@@ -109,10 +113,12 @@ void main() {
       await tester.tap(infoOutlineButtons.first); // 2nd button shows up also, but is off-screen
       await tester.pumpAndSettle();
 
-      await expectLater(
-        find.byType(NutritionalPlanScreen),
-        matchesGoldenFile('goldens/nutritional_plan_2_one_meal_with_ingredients.png'),
-      );
+      if (Platform.isLinux) {
+        await expectLater(
+          find.byType(NutritionalPlanScreen),
+          matchesGoldenFile('goldens/nutritional_plan_2_one_meal_with_ingredients.png'),
+        );
+      }
 
       // Ingredients show up now
       expect(find.text('100g Water'), findsOneWidget);
@@ -131,10 +137,13 @@ void main() {
 
       await tester.tap(infoOutlineButtons.first);
       await tester.pumpAndSettle();
-      await expectLater(
-        find.byType(MaterialApp),
-        matchesGoldenFile('goldens/nutritional_plan_3_both_meals_with_ingredients.png'),
-      );
+
+      if (Platform.isLinux) {
+        await expectLater(
+          find.byType(MaterialApp),
+          matchesGoldenFile('goldens/nutritional_plan_3_both_meals_with_ingredients.png'),
+        );
+      }
 
       expect(find.byIcon(Icons.info_outline), findsOneWidget);
       expect(find.byIcon(Icons.info), findsNWidgets(2));

test/workout/routine_logs_screen_test.dart

@@ -16,6 +16,8 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+import 'dart:io';
+
 import 'package:clock/clock.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_test/flutter_test.dart';
@@ -70,13 +72,20 @@ void main() {
   testWidgets(
     'Smoke test the widgets on the routine logs screen',
     (WidgetTester tester) async {
+      tester.view.physicalSize = const Size(500, 1000);
+      tester.view.devicePixelRatio = 1.0; // Ensure correct pixel ratio
+
       await withClock(Clock.fixed(DateTime(2025, 3, 29)), () async {
         await tester.pumpWidget(renderWidget());
         await tester.tap(find.byType(TextButton));
         await tester.pumpAndSettle();
 
-        await expectLater(find.byType(WorkoutLogsScreen),
-            matchesGoldenFile('goldens/routine_logs_screen_detail.png'));
+        if (Platform.isLinux) {
+          await expectLater(
+            find.byType(WorkoutLogsScreen),
+            matchesGoldenFile('goldens/routine_logs_screen_detail.png'),
+          );
+        }
 
         expect(find.text('Training logs'), findsOneWidget);
         expect(find.byType(WorkoutLogCalendar), findsOneWidget);

test/workout/routine_screen_test.dart

@@ -72,13 +72,18 @@ void main() {
   testWidgets(
     'Test the widgets on the routine screen',
     (WidgetTester tester) async {
+      tester.view.physicalSize = const Size(500, 1000);
+      tester.view.devicePixelRatio = 1.0; // Ensure correct pixel ratio
+
       await tester.pumpWidget(renderWidget());
       await tester.tap(find.byType(TextButton));
       await tester.pumpAndSettle();
 
       if (Platform.isLinux) {
         await expectLater(
-            find.byType(MaterialApp), matchesGoldenFile('goldens/routine_logs_screen_detail.png'));
+          find.byType(MaterialApp),
+          matchesGoldenFile('goldens/routine_logs_screen_detail.png'),
+        );
       }
 
       expect(find.text('3 day workout'), findsOneWidget);