diff --git a/vector/src/test/java/im/vector/app/test/Extensions.kt b/vector/src/test/java/im/vector/app/test/Extensions.kt
index 3ff041dc11..56c01b1357 100644
--- a/vector/src/test/java/im/vector/app/test/Extensions.kt
+++ b/vector/src/test/java/im/vector/app/test/Extensions.kt
@@ -21,6 +21,7 @@ import im.vector.app.core.platform.VectorViewEvents
 import im.vector.app.core.platform.VectorViewModel
 import im.vector.app.core.platform.VectorViewModelAction
 import kotlinx.coroutines.CoroutineScope
+import org.hamcrest.Matcher
 
 fun String.trimIndentOneLine() = trimIndent().replace("\n", "")