chore: Verify cy.request() works in multi-domain callback (#20747)

Co-authored-by: Matt Henkes <mjhenkes@gmail.com>

packages/driver/cypress/integration/e2e/multi-domain/commands/multi_domain_network_requests.spec.ts

@@ -1,15 +1,33 @@
 // @ts-ignore / session support is needed for visiting about:blank between tests
-// FIXME: received cross-origin errors
-context.skip('multi-domain network requests', { experimentalSessionSupport: true }, () => {
+context('multi-domain network requests', { experimentalSessionSupport: true }, () => {
   beforeEach(() => {
     cy.visit('/fixtures/multi-domain.html')
     cy.get('a[data-cy="request-link"]').click()
   })
 
-  it('.request()', () => {
+  it('.request() to secondary domain', () => {
     cy.switchToDomain('http://foobar.com:3500', () => {
+      cy.request('http://www.foobar.com:3500/fixtures/example.json').should((response) => {
+        expect(response.status).to.equal(200)
+        expect(response.allRequestResponses[0]['Request URL']).to.equal('http://www.foobar.com:3500/fixtures/example.json')
+      })
+    })
+  })
+
+  it('.request() to secondary domain with relative path', () => {
+    cy.switchToDomain('http://www.foobar.com:3500', () => {
       cy.request('/fixtures/example.json').should((response) => {
         expect(response.status).to.equal(200)
+        expect(response.allRequestResponses[0]['Request URL']).to.equal('http://www.foobar.com:3500/fixtures/example.json')
+      })
+    })
+  })
+
+  it('.request() to primary domain', () => {
+    cy.switchToDomain('http://foobar.com:3500', () => {
+      cy.request('http://localhost:3500/fixtures/example.json').should((response) => {
+        expect(response.status).to.equal(200)
+        expect(response.allRequestResponses[0]['Request URL']).to.equal('http://localhost:3500/fixtures/example.json')
       })
     })
   })

packages/driver/src/cy/commands/request.ts

@@ -144,7 +144,12 @@ export default (Commands, Cypress, cy, state, config) => {
       // origin may return an empty string if we haven't visited anything yet
       options.url = $Location.normalize(options.url)
 
-      const originOrBase = config('baseUrl') || cy.getRemoteLocation('origin')
+      // If passed a relative url, determine the fully qualified URL to use.
+      // In the multi-domain version of the driver, we use multiDomainBaseUrl,
+      // which is set to the origin that is associated with it.
+      // In the primary driver (where multiDomainBaseUrl is undefined), we
+      // use the baseUrl or remote origin.
+      const originOrBase = Cypress.state('multiDomainBaseUrl') || config('baseUrl') || cy.getRemoteLocation('origin')
 
       if (originOrBase) {
         options.url = $Location.qualifyWithBaseUrl(originOrBase, options.url)