Use static imports only for JUnit

Author: garydgregory

src/test/java/org/apache/commons/net/ntp/TestTimeInfo.java

@@ -87,7 +87,7 @@ void testEquals() {
         assertEquals(info, other); // fails
         assertEquals(info.hashCode(), other.hashCode());
         other.addComment("another comment");
-        // Assertions.assertFalse(info.equals(other)); // comments not used for equality
+        // assertFalse(info.equals(other)); // comments not used for equality
 
         final TimeInfo another = new TimeInfo(packet, returnTime, new ArrayList<>());
         assertEquals(info, another);