Use hamcrest in ejer6

Author: micaelgallego

tema1_2_ejer6/src/test/java/es/codeurjc/test/complex/ComplexAbsTest.java

@@ -1,6 +1,7 @@
 package es.codeurjc.test.complex;
 
-import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.hamcrest.Matchers.closeTo;
+import static org.hamcrest.MatcherAssert.assertThat;
 
 import java.util.Arrays;
 import java.util.Collection;
@@ -13,7 +14,7 @@ public class ComplexAbsTest {
 	@ParameterizedTest(name = "{index}: ({0}).abs() == {1}")
 	@MethodSource("values")
 	public void absoluteTest(Complex complex, double result) {
-		assertEquals(complex.abs(), result, 0.001);
+		assertThat(complex.abs(), closeTo(result, 0.001));
 	}
 
 	public static Collection<Object[]> values() {