[refactor] Use hamcrest assertThat methods

Author: dizzzz

exist-ant/src/test/java/org/exist/ant/FileTaskTest.java

@@ -38,8 +38,9 @@
 import java.net.URL;
 
 import static org.hamcrest.CoreMatchers.containsString;
+import static org.hamcrest.MatcherAssert.assertThat;
 import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertThat;
+
 
 public class FileTaskTest extends AbstractTaskTest {
 

exist-ant/src/test/java/org/exist/ant/UserTaskTest.java

@@ -30,8 +30,8 @@
 
 import static org.hamcrest.CoreMatchers.containsString;
 import static org.hamcrest.CoreMatchers.not;
+import static org.hamcrest.MatcherAssert.assertThat;
 import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertThat;
 
 public class UserTaskTest extends AbstractTaskTest {
 

exist-ant/src/test/java/org/exist/ant/XmldbTaskTest.java

@@ -43,6 +43,7 @@
 
 import static java.nio.charset.StandardCharsets.UTF_8;
 import static org.hamcrest.CoreMatchers.containsString;
+import static org.hamcrest.MatcherAssert.assertThat;
 import static org.hamcrest.core.AllOf.allOf;
 import static org.junit.Assert.*;