Fix build error

Author: raman-m

test/Ocelot.UnitTests/Configuration/RoutesCreatorTests.cs

@@ -24,7 +24,8 @@ public class RoutesCreatorTests : UnitTest
         private readonly Mock<ILoadBalancerOptionsCreator> _lboCreator;
         private readonly Mock<IRouteKeyCreator> _rrkCreator;
         private readonly Mock<ISecurityOptionsCreator> _soCreator;
-        private readonly Mock<IVersionCreator> _versionCreator;
+        private readonly Mock<IVersionCreator> _versionCreator;
+        private readonly Mock<IConnectionCloseCreator> _connectionCloseCreator;
         private FileConfiguration _fileConfig;
         private RouteOptions _rro;
         private string _requestId;
@@ -58,7 +59,8 @@ public RoutesCreatorTests()
             _lboCreator = new Mock<ILoadBalancerOptionsCreator>();
             _rrkCreator = new Mock<IRouteKeyCreator>();
             _soCreator = new Mock<ISecurityOptionsCreator>();
-            _versionCreator = new Mock<IVersionCreator>();
+            _versionCreator = new Mock<IVersionCreator>();
+            _connectionCloseCreator = new Mock<IConnectionCloseCreator>();
 
             _creator = new RoutesCreator(
                 _cthCreator.Object,
@@ -75,8 +77,8 @@ public RoutesCreatorTests()
                 _lboCreator.Object,
                 _rrkCreator.Object,
                 _soCreator.Object,
-                _versionCreator.Object
-                );
+                _versionCreator.Object,
+                _connectionCloseCreator.Object);
         }
 
         [Fact]