         continueConversation()
         
         // get all conversation session history
-        // getAllConversationHistory()
+        getConversationHistory()
         
         // associate profile parameters with this client
         setProfileParameters()

        
        // invoke updateDialog() with an invalid file
        updateDialogWithInvalidFile()
        
        // invoke converse() with an invalid Dialog ID
        startConversationInvalidDialogID()

            XCTFail("Unable to delete invalid Dialog file.")
        }
    }

    /// Invoke getConversation() for a date range with no history
    func getConversationWithEmptyDateRange() {
        let description = "Try to retrieve conversation history for a date range with no history."
        let expectation = expectationWithDescription(description)

        // get conversation history
        service.getConversation(dialogID, dateFrom: NSDate(timeIntervalSinceNow: -120),
            dateTo: NSDate(timeIntervalSinceNow: -120)) { conversations, error in
                XCTAssertNotNil(conversations)
                XCTAssertNil(error)

                XCTAssertEqual(conversations!.count, 0)
                expectation.fulfill()
        }
        waitForExpectation()
    }
    
    // Invoke converse() with an invalid Dialog ID
    func startConversationInvalidDialogID() {
