diff --git a/interface/src/test/scala/TestCallback.scala b/interface/src/test/scala/TestCallback.scala
index 23978f920..8e7014af7 100644
--- a/interface/src/test/scala/TestCallback.scala
+++ b/interface/src/test/scala/TestCallback.scala
@@ -3,12 +3,13 @@ package xsbti
 import java.io.File
 import scala.collection.mutable.ArrayBuffer
 
-class TestCallback(val superclassNames: Array[String]) extends AnalysisCallback
+class TestCallback(val superclassNames: Array[String], val annotationNames: Array[String]) extends AnalysisCallback
 {
 	val invalidSuperclasses = new ArrayBuffer[String]
 	val beganSources = new ArrayBuffer[File]
 	val endedSources = new ArrayBuffer[File]
 	val foundSubclasses = new ArrayBuffer[(File, String, String, Boolean)]
+	val foundAnnotated = new ArrayBuffer[(File, String, String, Boolean)]
 	val sourceDependencies = new ArrayBuffer[(File, File)]
 	val jarDependencies = new ArrayBuffer[(File, File)]
 	val classDependencies = new ArrayBuffer[(File, File)]
@@ -19,6 +20,8 @@ class TestCallback(val superclassNames: Array[String]) extends AnalysisCallback
 	def beginSource(source: File) { beganSources += source }
 	def foundSubclass(source: File, subclassName: String, superclassName: String, isModule: Boolean): Unit =
 		foundSubclasses += ((source, subclassName, superclassName, isModule))
+	def foundAnnotated(source: File, className: String, annotationName: String, isModule: Boolean): Unit =
+		foundAnnotated += ((source, className, annotationName, isModule))
 	def sourceDependency(dependsOn: File, source: File) { sourceDependencies += ((dependsOn, source)) }
 	def jarDependency(jar: File, source: File) { jarDependencies += ((jar, source)) }
 	def classDependency(clazz: File, source: File) { classDependencies += ((clazz, source)) }