Fix failing unit test

Author: award999

test/unit-tests/sourcekit-lsp/LanguageClientManager.test.ts

@@ -162,6 +162,7 @@ suite("LanguageClientManager Suite", () => {
             outputChannel: instance(
                 mockObject<SwiftOutputChannel>({
                     dispose: mockFn(),
+                    warn: mockFn(),
                 })
             ),
             initializeResult: {
@@ -578,7 +579,11 @@ suite("LanguageClientManager Suite", () => {
         const middleware = languageClientFactoryMock.createLanguageClient.args[0][3].middleware!;
         expect(middleware).to.have.property("provideCodeLenses");
         await expect(
-            middleware.provideCodeLenses!({} as any, {} as any, codelensesFromSourceKitLSP)
+            middleware.provideCodeLenses!(
+                { uri: vscode.Uri.file("/path/to/doc.swift") } as any,
+                {} as any,
+                codelensesFromSourceKitLSP
+            )
         ).to.eventually.deep.equal([
             {
                 range: new vscode.Range(0, 0, 0, 0),