diff --git a/service/history/execution/mutable_state_builder_test.go b/service/history/execution/mutable_state_builder_test.go
index 08e42daabff..ba8b7862f45 100644
--- a/service/history/execution/mutable_state_builder_test.go
+++ b/service/history/execution/mutable_state_builder_test.go
@@ -1331,8 +1331,8 @@ func TestAssignEventIDToBufferedEvents(t *testing.T) {
 					},
 				},
 			},
-			expectedNextEventID:         13,
-			expectedUpdateActivityInfos: map[int64]*persistence.ActivityInfo{},
+			expectedNextEventID:               13,
+			expectedUpdateActivityInfos:       map[int64]*persistence.ActivityInfo{},
 			expectedUpdateChildExecutionInfos: map[int64]*persistence.ChildExecutionInfo{},
 		},
 		"Activity completed and started - this should update any buffered activities": {
@@ -1391,8 +1391,8 @@ func TestAssignEventIDToBufferedEvents(t *testing.T) {
 					},
 				},
 			},
-			expectedNextEventID:         7,
-			expectedUpdateActivityInfos: map[int64]*persistence.ActivityInfo{},
+			expectedNextEventID:               7,
+			expectedUpdateActivityInfos:       map[int64]*persistence.ActivityInfo{},
 			expectedUpdateChildExecutionInfos: map[int64]*persistence.ChildExecutionInfo{},
 		},
 		"Activity task started and a pending activity is updated - this should be put to the updatedActivityInfos map with all the other counters incremented": {
@@ -1472,8 +1472,8 @@ func TestAssignEventIDToBufferedEvents(t *testing.T) {
 					},
 				},
 			},
-			expectedNextEventID:         8,
-			expectedUpdateActivityInfos: map[int64]*persistence.ActivityInfo{},
+			expectedNextEventID:               8,
+			expectedUpdateActivityInfos:       map[int64]*persistence.ActivityInfo{},
 			expectedUpdateChildExecutionInfos: map[int64]*persistence.ChildExecutionInfo{},
 		},
 		"Activity task started and then Cancelled": {
@@ -1516,8 +1516,8 @@ func TestAssignEventIDToBufferedEvents(t *testing.T) {
 					},
 				},
 			},
-			expectedNextEventID:         8,
-			expectedUpdateActivityInfos: map[int64]*persistence.ActivityInfo{},
+			expectedNextEventID:               8,
+			expectedUpdateActivityInfos:       map[int64]*persistence.ActivityInfo{},
 			expectedUpdateChildExecutionInfos: map[int64]*persistence.ChildExecutionInfo{},
 		},
 		"Activity task started and then failed": {
@@ -1560,8 +1560,8 @@ func TestAssignEventIDToBufferedEvents(t *testing.T) {
 					},
 				},
 			},
-			expectedNextEventID:         8,
-			expectedUpdateActivityInfos: map[int64]*persistence.ActivityInfo{},
+			expectedNextEventID:               8,
+			expectedUpdateActivityInfos:       map[int64]*persistence.ActivityInfo{},
 			expectedUpdateChildExecutionInfos: map[int64]*persistence.ChildExecutionInfo{},
 		},
 		"Activity task started and then timed out": {
@@ -1604,8 +1604,8 @@ func TestAssignEventIDToBufferedEvents(t *testing.T) {
 					},
 				},
 			},
-			expectedNextEventID:         8,
-			expectedUpdateActivityInfos: map[int64]*persistence.ActivityInfo{},
+			expectedNextEventID:               8,
+			expectedUpdateActivityInfos:       map[int64]*persistence.ActivityInfo{},
 			expectedUpdateChildExecutionInfos: map[int64]*persistence.ChildExecutionInfo{},
 		},
 		"Child workflow scheduled and then completed": {