Set SameSiteMode for cookies in authentication tests (#25281)

Author: captainsafia

src/Components/WebAssembly/testassets/Wasm.Authentication.Server/Startup.cs

@@ -3,6 +3,7 @@
 using Microsoft.AspNetCore.Authentication;
 using Microsoft.AspNetCore.Builder;
 using Microsoft.AspNetCore.Hosting;
+using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Identity;
 using Microsoft.EntityFrameworkCore;
 using Microsoft.Extensions.Configuration;
@@ -57,6 +58,11 @@ public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
                 app.UseWebAssemblyDebugging();
             }
 
+            app.UseCookiePolicy(new CookiePolicyOptions
+            {
+                MinimumSameSitePolicy = SameSiteMode.Lax
+            });
+
             app.UseBlazorFrameworkFiles();
             app.UseStaticFiles();
 

src/Components/WebAssembly/testassets/Wasm.Authentication.Server/Wasm.Authentication.Server.csproj

@@ -11,10 +11,12 @@
 
   <ItemGroup>
     <Reference Include="Microsoft.AspNetCore" />
+    <Reference Include="Microsoft.AspNetCore.CookiePolicy" />
     <Reference Include="Microsoft.AspNetCore.Diagnostics" />
     <Reference Include="Microsoft.AspNetCore.ApiAuthorization.IdentityServer" />
     <Reference Include="Microsoft.AspNetCore.Components.WebAssembly.Server" />
     <Reference Include="Microsoft.AspNetCore.Identity.EntityFrameworkCore" />
+    <Reference Include="Microsoft.AspNetCore.Authentication.Cookies" />
     <Reference Include="Microsoft.AspNetCore.Identity.UI" />
     <Reference Include="Microsoft.EntityFrameworkCore.Relational" />
     <Reference Include="Microsoft.EntityFrameworkCore.SQLite" />