feat: finish implementing getReportsByAppId method

tests/Report.spec.ts

@@ -0,0 +1,30 @@
+import { Report } from '../src/models/Report';
+import { expect } from 'chai';
+
+describe('Report', function () {
+  it('should be defined', function () {
+    expect(Report).to.be.not.undefined;
+  });
+
+  it('should have a constructor', function () {
+    expect(Report).to.have.property('constructor');
+  });
+
+  it('should have a constructor that takes 4 arguments', function () {
+    expect(Report).to.have.lengthOf(4);
+  });
+
+  it('should create a new instance of Report', function () {
+    expect(
+      new Report(1, 1, 'report', 'report description')
+    ).to.be.an.instanceOf(Report);
+  });
+
+  it('should set its properties correctly', function () {
+    const report = new Report(1, 1, 'report', 'report description');
+    expect(report.id).to.be.equal(1);
+    expect(report.appId).to.be.equal(1);
+    expect(report.name).to.be.equal('report');
+    expect(report.description).to.be.equal('report description');
+  });
+});