remove 'only' in tests

Author: coyotte508

packages/hub/src/utils/XetBlob.spec.ts

@@ -215,7 +215,7 @@ describe("XetBlob", () => {
 		});
 	});
 
-	describe.only("when mocked", () => {
+	describe("when mocked", () => {
 		describe("loading many chunks every read", () => {
 			it("should load different slices", async () => {
 				const chunk1Content = "hello";