diff --git a/e2e/node/error.test.ts b/e2e/node/error.test.ts
index d434e86..e75e0e1 100644
--- a/e2e/node/error.test.ts
+++ b/e2e/node/error.test.ts
@@ -86,6 +86,7 @@ describe(`End-to-end error description test for ${ENV.environment}`, () => {
       "Some error message",
     );
     expect(error).toBeInstanceOf(UnauthorizedError);
+    expect(error.message).toBe("Some error message");
     expect(error.problemDetails.status).toBe(401);
     expect(error.problemDetails.title).toBe("Unauthorized");
     expect(error.problemDetails.detail).toBeDefined();
@@ -104,6 +105,7 @@ describe(`End-to-end error description test for ${ENV.environment}`, () => {
       "Some error message",
     );
     expect(error).toBeInstanceOf(NotFoundError);
+    expect(error.message).toBe("Some error message");
     expect(error.problemDetails.status).toBe(404);
     expect(error.problemDetails.title).toBe("Not Found");
     expect(error.problemDetails.detail).toBeDefined();
@@ -124,6 +126,7 @@ describe(`End-to-end error description test for ${ENV.environment}`, () => {
       "Some error message",
     );
     expect(error).toBeInstanceOf(NotAcceptableError);
+    expect(error.message).toBe("Some error message");
     expect(error.problemDetails.status).toBe(406);
     expect(error.problemDetails.title).toBe("Not Acceptable");
     expect(error.problemDetails.detail).toBeDefined();
@@ -149,6 +152,7 @@ describe(`End-to-end error description test for ${ENV.environment}`, () => {
       "Some error message",
     );
     expect(error).toBeInstanceOf(BadRequestError);
+    expect(error.message).toBe("Some error message");
     expect(error.problemDetails.status).toBe(400);
     expect(error.problemDetails.title).toBe("Bad Request");
     expect(error.problemDetails.detail).toBeDefined();
@@ -167,6 +171,7 @@ describe(`End-to-end error description test for ${ENV.environment}`, () => {
       "Some error message",
     );
     expect(error).toBeInstanceOf(ForbiddenError);
+    expect(error.message).toBe("Some error message");
     expect(error.problemDetails.status).toBe(403);
     expect(error.problemDetails.title).toBe("Forbidden");
     expect(error.problemDetails.detail).toBeDefined();