[libgee] Fix type parameters in tests

[Jürg Billeter <juergbi src gnome org>]

commit dea939e1f7e6ed3e512bddf46e384283cbdacd1e
Author: Jürg Billeter <j bitron ch>
Date:   Tue Sep 27 17:27:32 2016 +0200

    Fix type parameters in tests

 tests/testreadonlybidirlist.vala |    2 +-
 tests/testreadonlylist.vala      |    2 +-
 tests/testreadonlyset.vala       |    2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/tests/testreadonlybidirlist.vala b/tests/testreadonlybidirlist.vala
index 409e744..d6f558f 100644
--- a/tests/testreadonlybidirlist.vala
+++ b/tests/testreadonlybidirlist.vala
@@ -30,7 +30,7 @@ public class ReadOnlyBidirListTests : ReadOnlyListTests {
        }
 
        protected override Collection<string> get_ro_view (Collection<string> collection) {
-               return ((Gee.BidirList) collection).read_only_view;
+               return ((Gee.BidirList<string>) collection).read_only_view;
        }
 
        public new void test_immutable_iterator () {
diff --git a/tests/testreadonlylist.vala b/tests/testreadonlylist.vala
index 9db5e40..1f0ad92 100644
--- a/tests/testreadonlylist.vala
+++ b/tests/testreadonlylist.vala
@@ -49,7 +49,7 @@ public class ReadOnlyListTests : ReadOnlyCollectionTests {
        }
 
        protected override Collection<string> get_ro_view (Collection<string> collection) {
-               return ((Gee.List) collection).read_only_view;
+               return ((Gee.List<string>) collection).read_only_view;
        }
 
        public new void test_immutable_iterator () {
diff --git a/tests/testreadonlyset.vala b/tests/testreadonlyset.vala
index a573cda..3a853d7 100644
--- a/tests/testreadonlyset.vala
+++ b/tests/testreadonlyset.vala
@@ -41,6 +41,6 @@ public class ReadOnlySetTests : ReadOnlyCollectionTests {
        }
 
        protected override Collection<string> get_ro_view (Collection<string> collection) {
-               return ((Gee.Set) collection).read_only_view;
+               return ((Gee.Set<string>) collection).read_only_view;
        }
 }