add signInCustomDomain2InSuccess and skip

MSAL/test/integration/native_auth/end_to_end/sign_in/MSALNativeAuthSignInUserNameAndPasswordEndToEndTests.swift

@@ -143,6 +143,35 @@ final class MSALNativeAuthSignInUsernameAndPasswordEndToEndTests: MSALNativeAuth
         }
     }
 
+    // Sign In - Verify Custom URL Domain - "https://<tenantName>.ciamlogin.com/<tenantId>"
+    func test_signInCustomDomain1InSuccess() async throws {
+        throw XCTSkip("Skipping test as it requires a tenantId, not present in MSIDLAB config file")
+
+        guard let sut = initialisePublicClientApplication(customSubdomainFormat: 1) else {
+            XCTFail("Failed to initialise auth client")
+            return
+        }
+
+        guard let username = retrieveUsernameForSignInUsernameAndPassword(),
+              let password = await retrievePasswordForSignInUsername() else {
+            XCTFail("Missing username or password")
+            return
+        }
+
+        let signInExpectation = expectation(description: "Signing in")
+        let signInDelegateSpy = SignInPasswordStartDelegateSpy(expectation: signInExpectation)
+
+        // Perform the sign-in asynchronously
+        Task {
+            await sut.signIn(username: username, password: password, correlationId: correlationId, delegate: signInDelegateSpy)
+            await fulfillment(of: [signInExpectation])
+
+            XCTAssertTrue(signInDelegateSpy.onSignInCompletedCalled)
+            XCTAssertNotNil(signInDelegateSpy.result?.idToken)
+            XCTAssertEqual(signInDelegateSpy.result?.account.username, username)
+        }
+    }
+
     // Sign In - Verify Custom URL Domain - "https://<tenantName>.ciamlogin.com/"
     func test_signInCustomDomain3InSuccess() async throws {
         guard let sut = initialisePublicClientApplication(customSubdomainFormat: 2) else {