Test running startedTest running failed: Unable to find instrumentation info for: ComponentInfo{http://ift.tt/1OCPhHV}

here is my full code, when i run following code,

public class KernelTest {
    @Test
    public void testM() {
        assertEquals(1, 1);
    }
}

It raise:

Test running failed: Unable to find instrumentation info for: ComponentInfo{http://ift.tt/1OCPhHV}