refactor: login method (#1676)

tests/fixtures/package.json

@@ -0,0 +1,6 @@
+{
+  "name": "@affine-test/fixtures",
+  "exports": {
+    "./*": "./*"
+  }
+}

tests/fixtures/tsconfig.json

@@ -0,0 +1,4 @@
+{
+  "extends": "../../tsconfig.json",
+  "include": ["./src"]
+}