fix: use IReadOnlyCollection instead

Author: cnblogs-dudu

src/EntityFramework.Storage/test/IntegrationTests/DbContexts/ClientDbContextTests.cs

@@ -1,12 +1,12 @@
-// Copyright (c) Brock Allen & Dominick Baier. All rights reserved.
+// Copyright (c) Brock Allen & Dominick Baier. All rights reserved.
 // Licensed under the Apache License, Version 2.0. See LICENSE in the project root for license information.
 
 
 using IdentityServer4.EntityFramework.DbContexts;
-using Microsoft.EntityFrameworkCore;
-using System.Linq;
 using IdentityServer4.EntityFramework.Entities;
 using IdentityServer4.EntityFramework.Options;
+using Microsoft.EntityFrameworkCore;
+using System.Linq;
 using Xunit;
 
 namespace IdentityServer4.EntityFramework.IntegrationTests.DbContexts
@@ -15,7 +15,7 @@ public class ClientDbContextTests : IntegrationTest<ClientDbContextTests, Config
     {
         public ClientDbContextTests(DatabaseProviderFixture<ConfigurationDbContext> fixture) : base(fixture)
         {
-            foreach (var options in TestDatabaseProviders.SelectMany(x => x.Select(y => (DbContextOptions<ConfigurationDbContext>)y)).ToList())
+            foreach (var options in TestDatabaseProviders.SelectMany(x => x.Select(y => (DbContextOptions<ConfigurationDbContext>) y)).ToList())
             {
                 using (var context = new ConfigurationDbContext(options, StoreOptions))
                     context.Database.EnsureCreated();

src/EntityFramework.Storage/test/IntegrationTests/IntegrationTest.cs

@@ -1,8 +1,9 @@
-using System;
-using System.Linq;
-using System.Runtime.InteropServices;
 using Microsoft.EntityFrameworkCore;
 using Microsoft.Extensions.Configuration;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Runtime.InteropServices;
 using Xunit;
 
 namespace IdentityServer4.EntityFramework.IntegrationTests
@@ -17,7 +18,7 @@ namespace IdentityServer4.EntityFramework.IntegrationTests
     public class IntegrationTest<TClass, TDbContext, TStoreOption> : IClassFixture<DatabaseProviderFixture<TDbContext>>
         where TDbContext : DbContext
     {
-        public static readonly TheoryData<DbContextOptions<TDbContext>> TestDatabaseProviders;
+        public static readonly IReadOnlyCollection<object[]> TestDatabaseProviders;
         protected readonly TStoreOption StoreOptions = Activator.CreateInstance<TStoreOption>();
 
         static IntegrationTest()
@@ -50,7 +51,7 @@ static IntegrationTest()
 
         protected IntegrationTest(DatabaseProviderFixture<TDbContext> fixture)
         {
-            fixture.Options = TestDatabaseProviders.SelectMany(x => x.Select(y => (DbContextOptions<TDbContext>)y)).ToList();
+            fixture.Options = TestDatabaseProviders.SelectMany(x => x.Select(y => (DbContextOptions<TDbContext>) y)).ToList();
             fixture.StoreOptions = StoreOptions;
         }
     }