Fix set name property of exception object equal to class name

integration/graphql-code-first/e2e/pipes.spec.ts

@@ -33,6 +33,7 @@ describe('GraphQL Pipes', () => {
               code: 'INTERNAL_SERVER_ERROR',
               exception: {
                 message: 'Bad Request Exception',
+                name: 'BadRequestException',
                 response: {
                   message: [
                     'description must be longer than or equal to 30 characters',

packages/common/exceptions/http.exception.ts

@@ -40,6 +40,7 @@ export class HttpException extends Error {
   ) {
     super();
     this.initMessage();
+    this.initName();
   }
 
   public initMessage() {
@@ -56,6 +57,10 @@ export class HttpException extends Error {
         .join(' ');
     }
   }
+
+  public initName(): void {
+    this.name = this.constructor.name;
+  }
 
   public getResponse(): string | object {
     return this.response;

packages/common/test/exceptions/http.exception.spec.ts

@@ -62,7 +62,7 @@ describe('HttpException', () => {
   it('should be serializable', () => {
     const message = 'Some Error';
     const error = new HttpException(message, 400);
-    expect(`${error}`).to.be.eql(`Error: ${message}`);
+    expect(`${error}`).to.be.eql(`HttpException: ${message}`);
   });
 
   describe('when "response" is an object', () => {
@@ -71,16 +71,18 @@ describe('HttpException', () => {
       const error = new HttpException(obj, 400);
       const badRequestError = new BadRequestException(obj);
 
-      expect(`${error}`).to.be.eql(`Error: Http Exception`);
-      expect(`${badRequestError}`).to.be.eql(`Error: Bad Request Exception`);
+      expect(`${error}`).to.be.eql(`HttpException: Http Exception`);
+      expect(`${badRequestError}`).to.be.eql(
+        `BadRequestException: Bad Request Exception`,
+      );
       expect(`${error}`.includes('[object Object]')).to.not.be.true;
       expect(`${badRequestError}`.includes('[object Object]')).to.not.be.true;
     });
     describe('otherwise', () => {
       it('should concat strings', () => {
         const test = 'test message';
         const error = new HttpException(test, 400);
-        expect(`${error}`).to.be.eql(`Error: ${test}`);
+        expect(`${error}`).to.be.eql(`HttpException: ${test}`);
         expect(`${error}`.includes('[object Object]')).to.not.be.true;
       });
     });