// @Test
public void testToString() {
int id = 1;
cap.setId(id);
String name = "Quartz capillary";
cap.setName(name);
String silica = "SiO2";
cap.setComposition(silica);
double density = 1.65;
cap.setDensity(density);
double pack = 0.6;
cap.setPackingFraction(pack);
}
@Test
public void testSetGetId() {
int id = 1;
sample.setId(id);
assertEquals("New ID not set/got correctly", id, sample.getId());
}