Small refactoring.

framework/src/Volo.Abp.Cli.Core/Volo/Abp/Cli/ProjectBuilding/Templates/App/AppTemplateBase.cs

@@ -38,11 +38,6 @@ namespace Volo.Abp.Cli.ProjectBuilding.Templates.App
                 steps.Add(new AppTemplateSwitchEntityFrameworkCoreToMongoDbStep());
             }
 
-            if (context.BuildArgs.DatabaseProvider == DatabaseProvider.EntityFrameworkCore)
-            {
-                steps.Add(new AppTemplateRemoveMongodbCollectionFixtureStep());
-            }
-
             if (context.BuildArgs.DatabaseProvider != DatabaseProvider.EntityFrameworkCore)
             {
                 steps.Add(new RemoveProjectFromSolutionStep("MyCompanyName.MyProjectName.EntityFrameworkCore"));
@@ -52,6 +47,7 @@ namespace Volo.Abp.Cli.ProjectBuilding.Templates.App
 
             if (context.BuildArgs.DatabaseProvider != DatabaseProvider.MongoDb)
             {
+                steps.Add(new AppTemplateRemoveMongodbCollectionFixtureStep());
                 steps.Add(new RemoveProjectFromSolutionStep("MyCompanyName.MyProjectName.MongoDB"));
                 steps.Add(new RemoveProjectFromSolutionStep("MyCompanyName.MyProjectName.MongoDB.Tests", projectFolderPath: "/aspnet-core/test/MyCompanyName.MyProjectName.MongoDB.Tests"));
             }

framework/test/Volo.Abp.MongoDB.Tests/Volo/Abp/MongoDB/MongoDbFixture.cs

@@ -5,12 +5,18 @@ namespace Volo.Abp.MongoDB
 {
     public class MongoDbFixture : IDisposable
     {
-        private static readonly MongoDbRunner MongoDbRunner = MongoDbRunner.Start();
-        public static readonly string ConnectionString = MongoDbRunner.ConnectionString;
+        private static readonly MongoDbRunner MongoDbRunner;
+        public static readonly string ConnectionString;
+
+        static MongoDbFixture()
+        {
+            MongoDbRunner = MongoDbRunner.Start();
+            ConnectionString = MongoDbRunner.ConnectionString;
+        }
 
         public void Dispose()
         {
             MongoDbRunner?.Dispose();
         }
     }
-}
+}

templates/app/aspnet-core/test/MyCompanyName.MyProjectName.MongoDB.Tests/MongoDb/MyProjectNameMongoDbFixture.cs

@@ -5,8 +5,14 @@ namespace MyCompanyName.MyProjectName.MongoDB
 {
     public class MyProjectNameMongoDbFixture : IDisposable
     {
-        private static readonly MongoDbRunner MongoDbRunner = MongoDbRunner.Start();
-        public static readonly string ConnectionString = MongoDbRunner.ConnectionString;
+        private static readonly MongoDbRunner MongoDbRunner;
+        public static readonly string ConnectionString;
+
+        static MongoDbFixture()
+        {
+            MongoDbRunner = MongoDbRunner.Start();
+            ConnectionString = MongoDbRunner.ConnectionString;
+        }
 
         public void Dispose()
         {