impl/memory: Replace gkvlite with "treapstore".

impl/memory/memstore_test.go

Index: impl/memory/memstore_test.go
diff --git a/impl/memory/gkvlite_utils_test.go b/impl/memory/memstore_test.go
similarity index 95%
rename from impl/memory/gkvlite_utils_test.go
rename to impl/memory/memstore_test.go
index ef51893e61fc9bfd0e0a67c18e0a7d6fcb03a3d5..b8643ba59583b0c8f33c6538f63b3a211d421623 100644
--- a/impl/memory/gkvlite_utils_test.go
+++ b/impl/memory/memstore_test.go
@@ -110,13 +110,13 @@ func getFilledColl(fill []kv) memCollection {
 func TestCollision(t *testing.T) {
 	t.Parallel()
 
-	Convey("Test gkvCollide", t, func() {
+	Convey("Test memStoreCollide", t, func() {
 		for _, tc := range testCollisionCases {
 			Convey(tc.name, func() {
 				left := getFilledColl(tc.left)
 				right := getFilledColl(tc.right)
 				i := 0
-				gkvCollide(left, right, func(key, left, right []byte) {
+				memStoreCollide(left, right, func(key, left, right []byte) {
 					e := tc.expect[i]
 					So(key, ShouldResemble, e.key)
 					So(left, ShouldResemble, e.left)