tests: implement read_only in testmap Entry

diff --git a/tests/testmap.vala b/tests/testmap.vala
index 4507763..464ec0f 100644 (file)
--- a/tests/testmap.vala
+++ b/tests/testmap.vala
@@ -579,6 +579,7 @@ public abstract class MapTests : Gee.TestCase {
                public override K key { get {return _key; } }
                private K _key;
                public override V value { get; set; }
+               public override bool read_only { get { return false; } }
        }
 }