GP-2642: Compatibilty wrapper for new emulator in p-code tests.

Ghidra/Debug/Framework-TraceModeling/src/test/java/ghidra/trace/model/time/schedule/TestThread.java

@@ -155,6 +155,11 @@ class TestThread implements PcodeThread<Void> {
 	public void setSuspended(boolean suspended) {
 	}
 
+	@Override
+	public boolean isSuspended() {
+		return false;
+	}
+
 	@Override
 	public PcodeUseropLibrary<Void> getUseropLibrary() {
 		return null;