refactor: improve code formatting in pipeline integration tests

Author: SelaseKay

packages/cloud_firestore/cloud_firestore/pipeline_example/integration_test/pipeline/pipeline_expressions_e2e.dart

@@ -94,9 +94,8 @@ void runPipelineExpressionsTests() {
           .limit(5)
           .execute();
       expectResultCount(snapshot, 5);
-      final withTags = snapshot.result
-          .where((r) => r.data()!['tags_len'] == 2)
-          .toList();
+      final withTags =
+          snapshot.result.where((r) => r.data()!['tags_len'] == 2).toList();
       expect(withTags.length, 1);
       expect(withTags.first.data()!['score'], 50);
     });
@@ -539,8 +538,7 @@ void runPipelineExpressionsTests() {
           expect(e.message!, contains('Unsupported expression'));
         }
       },
-      skip:
-          defaultTargetPlatform != TargetPlatform.iOS &&
+      skip: defaultTargetPlatform != TargetPlatform.iOS &&
           defaultTargetPlatform != TargetPlatform.macOS,
     );
   });

packages/cloud_firestore/cloud_firestore/pipeline_example/integration_test/pipeline/pipeline_filter_sort_e2e.dart

@@ -80,9 +80,8 @@ void runPipelineFilterSortTests() {
           .limit(10)
           .execute();
       expectResultCount(snapshot, 3);
-      final categories = snapshot.result
-          .map((r) => r.data()!['category'])
-          .toList();
+      final categories =
+          snapshot.result.map((r) => r.data()!['category']).toList();
       expect(categories..sort(), ['a', 'b', 'c']);
     });
   });

packages/cloud_firestore/cloud_firestore/pipeline_example/integration_test/pipeline/pipeline_unnest_union_e2e.dart

@@ -29,9 +29,8 @@ void runPipelineUnnestUnionTests() {
           .limit(10)
           .execute();
       expectResultCount(snapshot, 5);
-      final tags = snapshot.result
-          .map((r) => r.data()!['tag'] as String)
-          .toList();
+      final tags =
+          snapshot.result.map((r) => r.data()!['tag'] as String).toList();
       expect(tags..sort(), [
         'dart',
         'dart',