GP-7104: Deprecated fixes

Ghidra/Features/ByteViewer/src/test.slow/java/ghidra/app/plugin/core/byteviewer/ByteViewerClipboardProviderTest.java

@@ -4,9 +4,9 @@
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
- * 
+ *
  *      http://www.apache.org/licenses/LICENSE-2.0
- * 
+ *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@@ -15,6 +15,7 @@
  */
 package ghidra.app.plugin.core.byteviewer;
 
+import static org.hamcrest.MatcherAssert.assertThat;
 import static org.hamcrest.core.IsInstanceOf.*;
 import static org.junit.Assert.*;