update testutils

testutils/package.json

@@ -40,8 +40,8 @@
     "@jupyterlab/notebook": "^2.0.0-alpha.1",
     "@jupyterlab/rendermime": "^2.0.0-alpha.1",
     "@jupyterlab/services": "^5.0.0-alpha.1",
-    "@phosphor/coreutils": "^1.3.1",
-    "@phosphor/signaling": "^1.3.0",
+    "@lumino/coreutils": "^1.3.1",
+    "@lumino/signaling": "^1.3.0",
     "fs-extra": "^8.0.1",
     "identity-obj-proxy": "^3.0.0",
     "json-to-html": "~0.1.2",

testutils/src/index.ts

@@ -7,9 +7,9 @@ import { ServiceManager } from '@jupyterlab/services';
 
 import { ClientSession } from '@jupyterlab/apputils';
 
-import { PromiseDelegate, UUID } from '@phosphor/coreutils';
+import { PromiseDelegate, UUID } from '@lumino/coreutils';
 
-import { ISignal, Signal } from '@phosphor/signaling';
+import { ISignal, Signal } from '@lumino/signaling';
 import {
   TextModelFactory,
   DocumentRegistry,