diff --git a/backend/tests/services/learning-objects/database-learning-object-provider.test.ts b/backend/tests/services/learning-objects/database-learning-object-provider.test.ts
index aa554856..4750e4bd 100644
--- a/backend/tests/services/learning-objects/database-learning-object-provider.test.ts
+++ b/backend/tests/services/learning-objects/database-learning-object-provider.test.ts
@@ -60,6 +60,7 @@ describe('DatabaseLearningObjectProvider', () => {
     describe('getLearningObjectHTML', () => {
         it('should return the correct rendering of the learning object', async () => {
             const result = await databaseLearningObjectProvider.getLearningObjectHTML(exampleLearningObject);
+            // Set newlines so your tests are platform-independent.
             expect(result).toEqual(example.getHTMLRendering().replace(/\r\n/g, '\n'));
         });
         it('should return null for a non-existing learning object', async () => {
diff --git a/backend/tests/services/learning-objects/learning-object-service.test.ts b/backend/tests/services/learning-objects/learning-object-service.test.ts
index 01c534ab..c06cca39 100644
--- a/backend/tests/services/learning-objects/learning-object-service.test.ts
+++ b/backend/tests/services/learning-objects/learning-object-service.test.ts
@@ -68,6 +68,7 @@ describe('LearningObjectService', () => {
         it('returns the expected HTML when queried with the identifier of a learning object saved in the database', async () => {
             const result = await learningObjectService.getLearningObjectHTML(exampleLearningObject);
             expect(result).not.toBeNull();
+            // Set newlines so your tests are platform-independent.
             expect(result).toEqual(learningObjectExample.getHTMLRendering().replace(/\r\n/g, '\n'));
         });
         it(
diff --git a/backend/tests/services/learning-objects/processing/processing-service.test.ts b/backend/tests/services/learning-objects/processing/processing-service.test.ts
index a603379e..570a014d 100644
--- a/backend/tests/services/learning-objects/processing/processing-service.test.ts
+++ b/backend/tests/services/learning-objects/processing/processing-service.test.ts
@@ -8,6 +8,7 @@ describe('ProcessingService', () => {
     it('renders a markdown learning object correctly', async () => {
         const markdownLearningObject = mdExample.createLearningObject();
         const result = await processingService.render(markdownLearningObject);
+        // Set newlines so your tests are platform-independent.
         expect(result).toEqual(mdExample.getHTMLRendering().replace(/\r\n/g, '\n'));
     });