Fix spelling

Change-Id: I831388f23f907781b13c6026a8bcfae9fbcc7e18
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/243001
Commit-Queue: Paul Berry <paulberry@google.com>
Reviewed-by: Konstantin Shcheglov <scheglov@google.com>
diff --git a/tests/language/inference_update_1/horizontal_inference_enabled_test.dart b/tests/language/inference_update_1/horizontal_inference_enabled_test.dart
index 1cbeeda..d7fc7e1 100644
--- a/tests/language/inference_update_1/horizontal_inference_enabled_test.dart
+++ b/tests/language/inference_update_1/horizontal_inference_enabled_test.dart
@@ -71,7 +71,7 @@
       .expectStaticType<Exactly<List<int>>>();
 }
 
-testLongDepedencyChain(
+testLongDependencyChain(
     V Function<T, U, V>(T Function(), U Function(T), V Function(U)) f) {
   f(() => [0], (x) => x.single..expectStaticType<Exactly<int>>(),
           (y) => {y}..expectStaticType<Exactly<Set<int>>>())