Add missing RunWith annotation in TableTest.

import ca.mcscert.jtet.tabularexpression.TwoDimensionalGrid;

import org.junit.Before;

import org.junit.Test;

import org.junit.runner.RunWith;

import org.junit.runners.JUnit4;

import java.util.HashMap;

import java.util.Map;

@RunWith(JUnit4.class)

public class TableTest {

    @Test(expected = IllegalTableSetup.class)