JUnitDynamicCompositeTestSuite.java

import junit.framework.TestCase;
import org.junit.runner.RunWith;
import org.junit.runners.AllTests;
import junit.framework.TestSuite;

@RunWith(AllTests.class)
public final class MasterTester {

    public static TestSuite suite() {
        TestSuite suite = new TestSuite();
        for (int i = 0; i < 10; i++) {
            TestSuite a = new TestSuite("a" + i);
            for (int j = 0; j < 3; j++) {
                a.addTest(new TestCase("a" + i + "m" + j) {
                    @Override
                    protected void runTest() throws Throwable {
                    }
                });
            }
            suite.addTest(a);
        }
        return suite;
    }
}