   }
 
   func testIsExecuting() {
-    operation.start()
+    operation.main()
     let peliasOperation = operation.peliasOperation as! TestPeliasOperation
     XCTAssertTrue(operation.isExecuting)
     XCTAssertEqual(operation.isExecuting, peliasOperation.isExecuting)

  }

  func testIsFinished() {
    operation.start()
    let peliasOperation = operation.peliasOperation as! TestPeliasOperation
    XCTAssertEqual(operation.isFinished, peliasOperation.isFinished)
    operation.waitUntilFinished()

      blockExecuted = true
    }
    operation.completionBlock = block
    operation.main()
    operation.waitUntilFinished()
    XCTAssertNotNil(operation.completionBlock)
    XCTAssertNotNil(peliasOperation.completionBlock)
