Use Data Provider in Test Scenario [ Sample that backs my response for the SO thread : http://stackoverflow.com/a/40199773/679824

Execution_Output.txt

...
... TestNG 6.9.13.8 by Cédric Beust (cedric@beust.com)
...

[TestNG] Running:
  /Users/krmahadevan/githome/PlayGround/playSelenium/src/test/resources/factory.xml
TestClass.testOne()
TestClass.testTwo()
TestClass.testOne()
TestClass.testTwo()
[Utils] Attempting to create /Users/krmahadevan/githome/PlayGround/testbed/test-output/factory-suite/factory-test.xml
[Utils]   Directory /Users/krmahadevan/githome/PlayGround/testbed/test-output/factory-suite exists: true
PASSED: testOne
PASSED: testTwo
PASSED: testOne
PASSED: testTwo

===============================================
    factory-test
    Tests run: 4, Failures: 0, Skips: 0
===============================================

===============================================
factory-suite
Total tests run: 4, Failures: 0, Skips: 0
===============================================

factory.xml

<!DOCTYPE suite SYSTEM "http://testng.org/testng-1.0.dtd" >
<suite name="factory-suite"  verbose="2" group-by-instances="true" >
    <test name="factory-test">
        <classes>
            <class name="org.rationale.emotions.TestClass"/>
        </classes>
    </test>
</suite>

TestClass.java

package org.rationale.emotions;

import org.testng.Assert;
import org.testng.annotations.DataProvider;
import org.testng.annotations.Factory;
import org.testng.annotations.Test;

public class TestClass {

    private int type = - 1;
    private String name;

    @Factory (dataProvider = "mock")
    public TestClass(int type, String name) {
        this.type = type;
        this.name = name;
    }

    @DataProvider
    public static Object[][] mock() {
        return new Object[][] {{1, "Hello"}, {2, "World"}};
    }

    @Test (groups = {"A"})
    public void testOne() {
        System.out.println("TestClass.testOne()");
        switch (type) {
            case 1:
                type = 1;
                Assert.assertEquals(name, "Hello");
                break;
            case 2:
                type = 2;
                Assert.assertEquals(name, "World");
                break;
            default:
                break;
        }
    }

    @Test (groups = {"A"}, dependsOnMethods = "testOne")
    public void testTwo() {
        Assert.assertEquals(type != - 1, true);
        System.out.println("TestClass.testTwo()");
    }
}