         }
     }
 
-    func testCursorRemoveRangeFromMaximalTree() {
+    func testRemoveRangeFromMaximalTree() {
         let tree = maximalTree(depth: 2, order: 3)
         let count = tree.count
         for i in 0 ..< count {

        XCTAssertElementsEqual(tree, (0..<30).map { ($0, String($0)) })
    }

    func testCursorBuildingATreeInTwoPassesUsingInsertBefore() {
        var tree = Tree(order: 5)
        let c = 30
        tree.withCursorAtStart() { cursor in

        XCTAssertElementsEqual(tree, (0..<count).map { ($0, String($0)) })
    }

    func testInsertSequence() {
        var tree = Tree(order: 3)
        tree.withCursorAtStart { cursor in
            cursor.insert((10 ..< 20).map { ($0, String($0)) })
