a bit fix in unit test

package-lock.json

@@ -33,7 +33,7 @@
         "typescript": "^4.7.4"
       },
       "peerDependencies": {
-        "cordis": "^2.0.6",
+        "cordis": "^2.1.0",
         "schemastery": "^3.5.1"
       }
     },
@@ -1853,9 +1853,9 @@
       }
     },
     "node_modules/cordis": {
-      "version": "2.0.6",
-      "resolved": "https://registry.npmjs.org/cordis/-/cordis-2.0.6.tgz",
-      "integrity": "sha512-Q85Y2iY3myX340TiUV97DtTuPTls/pZoYqP2eWHlkLYcIzs7cIBTX3C8FqxaZ2hRgOJ6kMcXSXSIPWsZGcyCHQ==",
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/cordis/-/cordis-2.1.0.tgz",
+      "integrity": "sha512-GPdkYAEIRzBQlTW4eHoKgD+efXCiubujIC2MoqXpEwwaW1Y2ifxWoPNT+JSYrSH3fbtA70QV05rIP+L0lkB9CQ==",
       "peer": true,
       "dependencies": {
         "cosmokit": "^1.2.1"
@@ -6204,9 +6204,9 @@
       }
     },
     "cordis": {
-      "version": "2.0.6",
-      "resolved": "https://registry.npmjs.org/cordis/-/cordis-2.0.6.tgz",
-      "integrity": "sha512-Q85Y2iY3myX340TiUV97DtTuPTls/pZoYqP2eWHlkLYcIzs7cIBTX3C8FqxaZ2hRgOJ6kMcXSXSIPWsZGcyCHQ==",
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/cordis/-/cordis-2.1.0.tgz",
+      "integrity": "sha512-GPdkYAEIRzBQlTW4eHoKgD+efXCiubujIC2MoqXpEwwaW1Y2ifxWoPNT+JSYrSH3fbtA70QV05rIP+L0lkB9CQ==",
       "peer": true,
       "requires": {
         "cosmokit": "^1.2.1"

package.json

@@ -55,7 +55,7 @@
     "typescript": "^4.7.4"
   },
   "peerDependencies": {
-    "cordis": "^2.0.6",
+    "cordis": "^2.1.0",
     "schemastery": "^3.5.1"
   },
   "dependencies": {

tests/using.spec.ts

 import { DefinePlugin, StarterPlugin, UseEvent } from './utility/decorators';
-import { Provide, UsingService } from '../src/decorators';
+import { Provide, Reusable, UsingService } from '../src/decorators';
 import { Context } from 'cordis';
 
 declare module 'cordis' {
@@ -12,6 +12,7 @@ declare module 'cordis' {
 @DefinePlugin()
 class MyProvider extends StarterPlugin() {}
 
+@Reusable()
 @DefinePlugin()
 class MyPlugin extends StarterPlugin() {
   @UsingService('foo')
@@ -29,7 +30,7 @@ describe('Partial using service', () => {
     expect(app.bail('foo')).toBeUndefined();
     const state = app.plugin(MyProvider);
     expect(app.bail('foo')).toBe('bar');
-    state.dispose();
+    app.registry.delete(MyProvider);
     expect(app.bail('foo')).toBeUndefined();
     app.plugin(MyProvider);
     expect(app.bail('foo')).toBe('bar');