feat(modal): add confirm and confirm delete modals with tests

- Implemented ConfirmModalComponent and ConfirmDeleteModalComponent for confirmation dialogs.
- Added modal service methods to open confirm and confirm delete modals.
- Created corresponding HTML and SCSS files for both modal components.
- Updated ReutilizablesTestPageComponent to utilize new modals.
- Enhanced modal service tests to cover new functionality.
- Refactored existing tests to accommodate changes in modal behavior and structure.

src/app/shared/components/confirm-modal/confirm-modal.component.spec.ts

@@ -0,0 +1,95 @@
+import '@angular/compiler';
+import { TestBed, getTestBed } from '@angular/core/testing';
+import {
+  BrowserTestingModule,
+  platformBrowserTesting
+} from '@angular/platform-browser/testing';
+import { afterEach, beforeAll, describe, expect, it, vi } from 'vitest';
+
+import {
+  ConfirmModalData,
+  MODAL_DATA,
+  ModalRef
+} from '../../../core/services/modal.service';
+import { ConfirmModalComponent } from './confirm-modal.component';
+
+describe('ConfirmModalComponent', () => {
+  const data: ConfirmModalData = {
+    content: 'Se confirmara la operacion seleccionada.',
+    confirmLabel: 'Aceptar',
+    cancelLabel: 'Volver'
+  };
+
+  beforeAll(() => {
+    try {
+      getTestBed().initTestEnvironment(
+        BrowserTestingModule,
+        platformBrowserTesting()
+      );
+    } catch {
+      // Test environment may already be initialized by another setup entrypoint.
+    }
+  });
+
+  afterEach(() => {
+    TestBed.resetTestingModule();
+  });
+
+  it('renders the configured content and labels', async () => {
+    await TestBed.configureTestingModule({
+      imports: [ConfirmModalComponent],
+      providers: [
+        {
+          provide: MODAL_DATA,
+          useValue: data
+        },
+        {
+          provide: ModalRef,
+          useValue: {
+            close: vi.fn()
+          }
+        }
+      ]
+    }).compileComponents();
+
+    const fixture = TestBed.createComponent(ConfirmModalComponent);
+    fixture.detectChanges();
+
+    const element = fixture.nativeElement as HTMLElement;
+
+    expect(element.textContent).toContain(data.content);
+    expect(element.textContent).toContain(data.confirmLabel);
+    expect(element.textContent).toContain(data.cancelLabel);
+  });
+
+  it('closes with false on cancel and true on confirm', async () => {
+    const closeSpy = vi.fn();
+
+    await TestBed.configureTestingModule({
+      imports: [ConfirmModalComponent],
+      providers: [
+        {
+          provide: MODAL_DATA,
+          useValue: data
+        },
+        {
+          provide: ModalRef,
+          useValue: {
+            close: closeSpy
+          }
+        }
+      ]
+    }).compileComponents();
+
+    const fixture = TestBed.createComponent(ConfirmModalComponent);
+    fixture.detectChanges();
+
+    const buttons = fixture.nativeElement.querySelectorAll('button');
+
+    buttons[0].click();
+    buttons[1].click();
+
+    expect(closeSpy).toHaveBeenNthCalledWith(1, false);
+    expect(closeSpy).toHaveBeenNthCalledWith(2, true);
+  });
+});