         waitForExpectations(timeout: 2.0, handler: nil)
     }
 
-    func testDelegateFromUnmatchedURL() throws {
+    func testDelegateFromUnmatchedURL() {
         let dataTaskExpectation = expectation(description: #function)
 
         let delegate = CurryDelegateAsCallback(unmatchedTrackErrorValidation(dataTaskExpectation))

        waitForExpectations(timeout: 2.0, handler: nil)
    }

    func testDelegateUnlimitedPlaybackFromURL() throws {
        let dataTaskExpectation = expectation(description: #function)

        let delegate = CurryDelegateAsCallback(firstTrackResponseValidation(dataTaskExpectation))

        waitForExpectations(timeout: 2.0, handler: nil)
    }

    func testCallbackOnMainQueue() {
        let dataTaskExpectation = expectation(description: #function)

        let t = VCR(play: multipleTracks, in: OperationQueue.main)
