diff --git a/slang/test/integration/main/csv_compact_test.dart b/slang/test/integration/main/csv_compact_test.dart
index c7e59e60..4e41b478 100644
--- a/slang/test/integration/main/csv_compact_test.dart
+++ b/slang/test/integration/main/csv_compact_test.dart
@@ -15,7 +15,7 @@ void main() {
   setUp(() {
     compactInput = loadResource('main/csv_compact.csv');
     buildYaml = loadResource('main/build_config.yaml');
-    expectedOutput = loadResource('main/expected_single.output');
+    expectedOutput = loadResource('main/_expected_single.output');
   });
 
   test('compact csv', () {
diff --git a/slang/test/integration/main/csv_test.dart b/slang/test/integration/main/csv_test.dart
index b0a8e4e2..3051f878 100644
--- a/slang/test/integration/main/csv_test.dart
+++ b/slang/test/integration/main/csv_test.dart
@@ -17,7 +17,7 @@ void main() {
     enInput = loadResource('main/csv_en.csv');
     deInput = loadResource('main/csv_de.csv');
     buildYaml = loadResource('main/build_config.yaml');
-    expectedOutput = loadResource('main/expected_single.output');
+    expectedOutput = loadResource('main/_expected_single.output');
   });
 
   test('separated csv', () {
diff --git a/slang/test/integration/main/json_multiple_files_test.dart b/slang/test/integration/main/json_multiple_files_test.dart
index 9c148e6d..f092f423 100644
--- a/slang/test/integration/main/json_multiple_files_test.dart
+++ b/slang/test/integration/main/json_multiple_files_test.dart
@@ -22,10 +22,10 @@ void main() {
     enInput = loadResource('main/json_en.json');
     deInput = loadResource('main/json_de.json');
     buildYaml = loadResource('main/build_config.yaml');
-    expectedMainOutput = loadResource('main/expected_main.output');
-    expectedEnOutput = loadResource('main/expected_en.output');
-    expectedDeOutput = loadResource('main/expected_de.output');
-    expectedFlatMapOutput = loadResource('main/expected_map.output');
+    expectedMainOutput = loadResource('main/_expected_main.output');
+    expectedEnOutput = loadResource('main/_expected_en.output');
+    expectedDeOutput = loadResource('main/_expected_de.output');
+    expectedFlatMapOutput = loadResource('main/_expected_map.output');
   });
 
   test('json', () {
diff --git a/slang/test/integration/main/json_test.dart b/slang/test/integration/main/json_test.dart
index 64e0a44b..ef19f7af 100644
--- a/slang/test/integration/main/json_test.dart
+++ b/slang/test/integration/main/json_test.dart
@@ -17,7 +17,7 @@ void main() {
     enInput = loadResource('main/json_en.json');
     deInput = loadResource('main/json_de.json');
     buildYaml = loadResource('main/build_config.yaml');
-    expectedOutput = loadResource('main/expected_single.output');
+    expectedOutput = loadResource('main/_expected_single.output');
   });
 
   test('json', () {
diff --git a/slang/test/integration/main/no_flutter_test.dart b/slang/test/integration/main/no_flutter_test.dart
index a747bce6..7a6a89b7 100644
--- a/slang/test/integration/main/no_flutter_test.dart
+++ b/slang/test/integration/main/no_flutter_test.dart
@@ -16,7 +16,7 @@ void main() {
   setUp(() {
     input = loadResource('main/json_simple.json');
     buildYaml = loadResource('main/build_config.yaml');
-    expectedOutput = loadResource('main/expected_no_flutter.output');
+    expectedOutput = loadResource('main/_expected_no_flutter.output');
   });
 
   test('no flutter', () {
diff --git a/slang/test/integration/main/no_locale_handling_test.dart b/slang/test/integration/main/no_locale_handling_test.dart
index 2d51388f..93da62c5 100644
--- a/slang/test/integration/main/no_locale_handling_test.dart
+++ b/slang/test/integration/main/no_locale_handling_test.dart
@@ -16,7 +16,7 @@ void main() {
   setUp(() {
     input = loadResource('main/json_simple.json');
     buildYaml = loadResource('main/build_config.yaml');
-    expectedOutput = loadResource('main/expected_no_locale_handling.output');
+    expectedOutput = loadResource('main/_expected_no_locale_handling.output');
   });
 
   test('no locale handling', () {
diff --git a/slang/test/integration/main/translation_overrides_test.dart b/slang/test/integration/main/translation_overrides_test.dart
index 334ba537..7af65acf 100644
--- a/slang/test/integration/main/translation_overrides_test.dart
+++ b/slang/test/integration/main/translation_overrides_test.dart
@@ -16,7 +16,9 @@ void main() {
   setUp(() {
     compactInput = loadResource('main/csv_compact.csv');
     buildYaml = loadResource('main/build_config.yaml');
-    expectedOutput = loadResource('main/expected_translation_overrides.output');
+    expectedOutput = loadResource(
+      'main/_expected_translation_overrides.output',
+    );
   });
 
   test('translation overrides', () {
diff --git a/slang/test/integration/main/yaml_test.dart b/slang/test/integration/main/yaml_test.dart
index 2bf7ee05..a3c21d72 100644
--- a/slang/test/integration/main/yaml_test.dart
+++ b/slang/test/integration/main/yaml_test.dart
@@ -17,7 +17,7 @@ void main() {
     enInput = loadResource('main/yaml_en.yaml');
     deInput = loadResource('main/yaml_de.yaml');
     buildYaml = loadResource('main/build_config.yaml');
-    expectedOutput = loadResource('main/expected_single.output');
+    expectedOutput = loadResource('main/_expected_single.output');
   });
 
   test('yaml', () {
diff --git a/slang/test/integration/resources/main/expected_de.output b/slang/test/integration/resources/main/_expected_de.output
similarity index 100%
rename from slang/test/integration/resources/main/expected_de.output
rename to slang/test/integration/resources/main/_expected_de.output
diff --git a/slang/test/integration/resources/main/expected_en.output b/slang/test/integration/resources/main/_expected_en.output
similarity index 100%
rename from slang/test/integration/resources/main/expected_en.output
rename to slang/test/integration/resources/main/_expected_en.output
diff --git a/slang/test/integration/resources/main/expected_main.output b/slang/test/integration/resources/main/_expected_main.output
similarity index 100%
rename from slang/test/integration/resources/main/expected_main.output
rename to slang/test/integration/resources/main/_expected_main.output
diff --git a/slang/test/integration/resources/main/expected_map.output b/slang/test/integration/resources/main/_expected_map.output
similarity index 100%
rename from slang/test/integration/resources/main/expected_map.output
rename to slang/test/integration/resources/main/_expected_map.output
diff --git a/slang/test/integration/resources/main/expected_no_flutter.output b/slang/test/integration/resources/main/_expected_no_flutter.output
similarity index 100%
rename from slang/test/integration/resources/main/expected_no_flutter.output
rename to slang/test/integration/resources/main/_expected_no_flutter.output
diff --git a/slang/test/integration/resources/main/expected_no_locale_handling.output b/slang/test/integration/resources/main/_expected_no_locale_handling.output
similarity index 100%
rename from slang/test/integration/resources/main/expected_no_locale_handling.output
rename to slang/test/integration/resources/main/_expected_no_locale_handling.output
diff --git a/slang/test/integration/resources/main/expected_single.output b/slang/test/integration/resources/main/_expected_single.output
similarity index 100%
rename from slang/test/integration/resources/main/expected_single.output
rename to slang/test/integration/resources/main/_expected_single.output
diff --git a/slang/test/integration/resources/main/expected_translation_overrides.output b/slang/test/integration/resources/main/_expected_translation_overrides.output
similarity index 100%
rename from slang/test/integration/resources/main/expected_translation_overrides.output
rename to slang/test/integration/resources/main/_expected_translation_overrides.output
diff --git a/slang/test/integration/resources/tools/arb.json b/slang/test/integration/resources/tools/_expected_arb.json
similarity index 100%
rename from slang/test/integration/resources/tools/arb.json
rename to slang/test/integration/resources/tools/_expected_arb.json
diff --git a/slang/test/integration/tools/arb_migration_test.dart b/slang/test/integration/tools/arb_migration_test.dart
index 70ececc1..63f4f37e 100644
--- a/slang/test/integration/tools/arb_migration_test.dart
+++ b/slang/test/integration/tools/arb_migration_test.dart
@@ -11,7 +11,7 @@ void main() {
 
   setUp(() {
     arbInput = loadResource('tools/arb.arb');
-    expectedOutput = loadResource('tools/arb.json');
+    expectedOutput = loadResource('tools/_expected_arb.json');
   });
 
   test('migrate arb', () {