diff --git a/tests/testdata/acquire_shard_deadline_exceeded_error.yaml b/tests/testdata/acquire_shard_deadline_exceeded_error.yaml
index f1b3f67af69..d1a857c5139 100644
--- a/tests/testdata/acquire_shard_deadline_exceeded_error.yaml
+++ b/tests/testdata/acquire_shard_deadline_exceeded_error.yaml
@@ -13,4 +13,4 @@ faultinjection:
         methods:
           UpdateShard:
             errors:
-              DeadlineExceededError: 1.0 # 100% of the time, return a deadline exceeded error
+              DeadlineExceeded: 1.0 # 100% of the time, return a deadline exceeded error
diff --git a/tests/testdata/acquire_shard_eventual_success.yaml b/tests/testdata/acquire_shard_eventual_success.yaml
index 18b9eaab5de..833fa02bcfd 100644
--- a/tests/testdata/acquire_shard_eventual_success.yaml
+++ b/tests/testdata/acquire_shard_eventual_success.yaml
@@ -14,4 +14,4 @@ faultinjection:
           UpdateShard:
             seed: 43  # deterministically generate a deadline exceeded error followed by a success
             errors:
-              DeadlineExceededError: 0.5 # 50% of the time, return a deadline exceeded error
+              DeadlineExceeded: 0.5 # 50% of the time, return a deadline exceeded error