Replace `DocumentListenOptions` with a simple boolean. (#1099)

* Replace `DocumentListenOptions` with a simple boolean.

Instead of calling

  `addSnapshotListener(options: DocumentListenOptions.includeMetadataChanges(true))`

call

  `addSnapshotListener(includeMetadataChanges:true)`

* Style

1 files changed, 9 insertions, 8 deletions

diff --git a/Firestore/Example/Tests/Util/FSTIntegrationTestCase.mm b/Firestore/Example/Tests/Util/FSTIntegrationTestCase.mm
index 79163da..2b1f9d0 100644
--- a/Firestore/Example/Tests/Util/FSTIntegrationTestCase.mm
+++ b/Firestore/Example/Tests/Util/FSTIntegrationTestCase.mm
@@ -245,14 +245,15 @@ NS_ASSUME_NONNULL_BEGIN
 
   XCTestExpectation *expectation = [self expectationWithDescription:@"listener"];
   id<FIRListenerRegistration> listener = [ref
-      addSnapshotListenerWithOptions:[[FIRDocumentListenOptions options] includeMetadataChanges:YES]
-                            listener:^(FIRDocumentSnapshot *snapshot, NSError *error) {
-                              XCTAssertNil(error);
-                              if (!requireOnline || !snapshot.metadata.fromCache) {
-                                result = snapshot;
-                                [expectation fulfill];
-                              }
-                            }];
+      addSnapshotListenerWithIncludeMetadataChanges:YES
+                                           listener:^(FIRDocumentSnapshot *snapshot,
+                                                      NSError *error) {
+                                             XCTAssertNil(error);
+                                             if (!requireOnline || !snapshot.metadata.fromCache) {
+                                               result = snapshot;
+                                               [expectation fulfill];
+                                             }
+                                           }];
 
   [self awaitExpectations];
   [listener remove];