JUnit test with dynamic number of tests

@RunWith(Parameterized.class)

@Parameters

@RunWith(Parameterized.class)
public class ParameterizedTest {

    private File file;

    public ParameterizedTest(File file) {
    	this.file = file;
    }

    @Test
    public void test1() throws Exception {	}

    @Test
    public void test2() throws Exception {	}

    @Parameters
    public static Collection<Object[]> data() {
    	// load the files as you want
    	Object[] fileArg1 = new Object[] { new File("path1") };
    	Object[] fileArg2 = new Object[] { new File("path2") };

    	Collection<Object[]> data = new ArrayList<Object[]>();
    	data.add(fileArg1);
    	data.add(fileArg2);
    	return data;
    }
}

public class XTest extends TestCase {

    public File file;

    public XTest(File file) {
    	super(file.toString());
    	this.file = file;
    }

    public void testX() {
    	fail("Failed: " + file);
    }

}

public class XTestSuite extends TestSuite {

    public static Test suite() {
    	TestSuite suite = new TestSuite("XTestSuite");
    	File[] files = new File(".").listFiles();
    	for (File file : files) {
    		suite.addTest(new XTest(file));
    	}
    	return suite;
    }

}

import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameters;

@RunWith(Parameterized.class)
public class TestY {

    @Parameters
    public static Collection<Object[]> getFiles() {
    	Collection<Object[]> params = new ArrayList<Object[]>();
    	for (File f : new File(".").listFiles()) {
    		Object[] arr = new Object[] { f };
    		params.add(arr);
    	}
    	return params;
    }

    private File file;

    public TestY(File file) {
    	this.file = file;
    }

    @Test
    public void testY() {
    	fail(file.toString());
    }

}

[RowTest]
   [Row( 1000, 7, 142.85715)]
   [Row( 1000, 0.00001, 100000000)]
   [Row(4195835, 3145729, 1.3338196)]
   public void DivisionTest(double numerator, double denominator, double result)
   {
     Assert.AreEqual(result, numerator / denominator, 0.00001);
   }

public void testAllFiles()
{
    string sCollectingParam = "";
    // loop for each file
      // if test condition fails (can't use junit assert as that would bail out on first failure)
          // add to sCollectingParam with a descriptive log with filename

    assertEquals("Some files failed the test", "", sCollectingParam);
}