             XCTAssertTrue(event.insertedIndices.isEmpty)
             XCTAssertTrue(event.updatedIndices.isEmpty)
             exp.fulfill()
-            }
-            .addDisposableTo(disposeBag)
+        }
+        .addDisposableTo(disposeBag)
 
         a.popLast()
 

            XCTAssertTrue(event.deletedIndices.isEmpty)
            XCTAssertTrue(event.updatedIndices.isEmpty)
            exp.fulfill()
            }
            .addDisposableTo(disposeBag)

        a.appendContentsOf(["buzz", "sugar", "tea"].generate())


            XCTAssertTrue(event.insertedIndices.isEmpty)
            XCTAssertTrue(event.updatedIndices.isEmpty)
            exp.fulfill()
        }
        .addDisposableTo(disposeBag)

        a.removeAll()

