 
     // MARK: - Positive Tests
 
-    func testGetTone() {
+    func testGetToneJSON() {
         let expectation = self.expectation(description: "Get tone.")
-        toneAnalyzer.tone(toneInput: ToneInput(text: text), contentType: "plain/text", failure: failWithError) {
+        toneAnalyzer.tone(toneInput: ToneInput(text: text), failure: failWithError) {
             toneAnalysis in
             XCTAssertNotNil(toneAnalysis.documentTone.tones)
             XCTAssertGreaterThan(toneAnalysis.documentTone.tones!.count, 0)

    func testGetToneEmptyString() {
        let expectation = self.expectation(description: "Get tone with an empty string.")
        let failure = { (error: Error) in expectation.fulfill() }
        toneAnalyzer.tone(
            toneInput: ToneInput(text: ""),
            contentType: "plain/text",
            failure: failure,
            success: failWithResult
        )
        waitForExpectations()
    }



    static var allTests: [(String, (ToneAnalyzerTests) -> () throws -> Void)] {
        return [
            ("testGetToneJSON", testGetToneJSON),
            ("testGetTonePlainText", testGetTonePlainText),
            ("testGetToneHTML", testGetToneHTML),
            ("testGetToneCustom", testGetToneCustom),
            ("testToneChat", testToneChat),
            ("testGetToneEmptyString", testGetToneEmptyString),
