如何用JUnit测试与excel协同工作的java方法

<dependencies>
    <dependency>
        <groupId>junit</groupId>
        <artifactId>junit</artifactId>
        <version>4.13.2</version>
        <scope>test</scope>
    </dependency>
    <dependency>
        <groupId>org.apache.poi</groupId>
        <artifactId>poi</artifactId>
        <version>4.1.2</version>
    </dependency>
</dependencies>

import org.apache.poi.ss.usermodel.*;

public class ExcelUtils {
    public static void createExcel(String filePath) {
        Workbook workbook = new XSSFWorkbook();
        Sheet sheet = workbook.createSheet("TestData");
        
        Row headerRow = sheet.createRow(0);
        headerRow.createCell(0).setCellValue("Test Case");
        headerRow.createCell(1).setCellValue("Input");
        headerRow.createCell(2).setCellValue("Expected Output");
        
        Row dataRow1 = sheet.createRow(1);
        dataRow1.createCell(0).setCellValue("Test Case 1");
        dataRow1.createCell(1).setCellValue("Input 1");
        dataRow1.createCell(2).setCellValue("Expected Output 1");
        
        // Add more test data rows
        
        try {
            FileOutputStream fileOutputStream = new FileOutputStream(filePath);
            workbook.write(fileOutputStream);
            fileOutputStream.close();
            workbook.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}

import org.apache.poi.ss.usermodel.*;
import org.junit.Test;

public class ExcelTest {
    @Test
    public void testExcelData() {
        String filePath = "path/to/testdata.xlsx";
        Workbook workbook = null;
        
        try {
            FileInputStream fileInputStream = new FileInputStream(filePath);
            workbook = WorkbookFactory.create(fileInputStream);
            Sheet sheet = workbook.getSheet("TestData");
            
            for (int i = 1; i <= sheet.getLastRowNum(); i++) {
                Row row = sheet.getRow(i);
                String testCase = row.getCell(0).getStringCellValue();
                String input = row.getCell(1).getStringCellValue();
                String expectedOutput = row.getCell(2).getStringCellValue();
                
                // Perform test logic using input and expectedOutput
                
                // Assert the result using JUnit's assertion methods
            }
            
            fileInputStream.close();
        } catch (IOException | EncryptedDocumentException e) {
            e.printStackTrace();
        } finally {
            if (workbook != null) {
                try {
                    workbook.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
    }
}