package model;

public class Foo {
    private String value;

    public Foo(String v) { this.value = v; }

    public String toString() { return this.value; }
}

package model;

public class FooTest {

    @Test
    public void testToString() {
        String expected = "Test";
        Foo foo = new Foo(expected);
        Assert.assertEquals(expected, foo.toString());
    }
}