fix: add missing tests

tests/PagingRequest.spec.ts

@@ -0,0 +1,32 @@
+import { PagingRequest } from '../src/models/PagingRequest';
+import { expect } from 'chai';
+
+describe('PagingRequest', function () {
+  it('should be defined', function () {
+    expect(PagingRequest).to.not.be.undefined;
+  });
+
+  it('should have a constructor', function () {
+    expect(PagingRequest).to.have.property('constructor');
+  });
+
+  it('should have 2 parameters', function () {
+    expect(PagingRequest).to.have.lengthOf(2);
+  });
+
+  it('should throw an error when the pageNumber is less than 1', function () {
+    expect(() => new PagingRequest(0, 1)).to.throw('pageNumber must be greater than 0.');
+  });
+
+  it('should throw an error when the pageSize is less than 1', function () {
+    expect(() => new PagingRequest(1, 0)).to.throw('pageSize must be greater than 0 and less than 1001.');
+  });
+
+  it('should throw an error when the pageSize is greater than 1000', function () {
+    expect(() => new PagingRequest(1, 1001)).to.throw('pageSize must be greater than 0 and less than 1001.');
+  });
+
+  it('should create a new instance of the PagingRequest class when the pageNumber is greater than 0 and the pageSize is between 1 and 1000', function () {
+    expect(() => new PagingRequest(1, 1)).to.not.throw();
+  });
+});