diff --git a/web/gui2/src/main/webapp/tests/app/fw/remote/urlfn.service.spec.ts b/web/gui2/src/main/webapp/tests/app/fw/remote/urlfn.service.spec.ts
index 6b229bd..0aa14ea 100644
--- a/web/gui2/src/main/webapp/tests/app/fw/remote/urlfn.service.spec.ts
+++ b/web/gui2/src/main/webapp/tests/app/fw/remote/urlfn.service.spec.ts
@@ -58,7 +58,7 @@
         TestBed.configureTestingModule({
             providers: [UrlFnService,
                 { provide: LogService, useValue: log },
-                { provide: Window, useFactory: (() => windowMock ) },
+                { provide: 'Window', useFactory: (() => windowMock ) },
             ]
         });
 
diff --git a/web/gui2/src/main/webapp/tests/app/fw/remote/websocket.service.spec.ts b/web/gui2/src/main/webapp/tests/app/fw/remote/websocket.service.spec.ts
index 391b62c..e0c7675 100644
--- a/web/gui2/src/main/webapp/tests/app/fw/remote/websocket.service.spec.ts
+++ b/web/gui2/src/main/webapp/tests/app/fw/remote/websocket.service.spec.ts
@@ -76,7 +76,7 @@
                 { provide: LogService, useValue: logSpy },
                 { provide: GlyphService, useClass: MockGlyphService },
                 { provide: UrlFnService, useValue: new UrlFnService(logSpy, windowMock) },
-                { provide: Window, useFactory: (() => windowMock ) },
+                { provide: 'Window', useFactory: (() => windowMock ) },
                 { provide: WSock, useFactory: (() => {
                         return {
                             newWebSocket: (() => mockWebSocket)
diff --git a/web/gui2/src/main/webapp/tests/app/fw/util/fn.service.spec.ts b/web/gui2/src/main/webapp/tests/app/fw/util/fn.service.spec.ts
index bf75091..e3d3c87 100644
--- a/web/gui2/src/main/webapp/tests/app/fw/util/fn.service.spec.ts
+++ b/web/gui2/src/main/webapp/tests/app/fw/util/fn.service.spec.ts
@@ -62,7 +62,7 @@
             providers: [FnService,
                 { provide: LogService, useValue: logSpy },
                 { provide: ActivatedRoute, useValue: ar },
-                { provide: Window, useFactory: (() => mockWindow ) }
+                { provide: 'Window', useFactory: (() => mockWindow ) }
             ]
         });
 
diff --git a/web/gui2/src/main/webapp/tests/app/fw/util/lion.service.spec.ts b/web/gui2/src/main/webapp/tests/app/fw/util/lion.service.spec.ts
index 6535f07..0b661c6 100644
--- a/web/gui2/src/main/webapp/tests/app/fw/util/lion.service.spec.ts
+++ b/web/gui2/src/main/webapp/tests/app/fw/util/lion.service.spec.ts
@@ -72,7 +72,7 @@
                 { provide: UrlFnService, useClass: MockUrlFnService },
                 { provide: WSock, useClass: MockWSock },
                 { provide: WebSocketService, useClass: WebSocketService },
-                { provide: Window, useFactory: (() => windowMock ) },
+                { provide: 'Window', useFactory: (() => windowMock ) },
             ]
         });
     });