diff --git a/aiida_workgraph/executors/builtins.py b/aiida_workgraph/executors/builtins.py
index 97055bcf..d28e735d 100644
--- a/aiida_workgraph/executors/builtins.py
+++ b/aiida_workgraph/executors/builtins.py
@@ -1,38 +1,5 @@
-from aiida.engine import WorkChain
-from aiida import orm
-from aiida.engine.processes.workchains.workchain import WorkChainSpec
-
-
 def select(condition, true, false):
     """Select the data based on the condition."""
     if condition:
         return true
     return false
-
-
-class GatherWorkChain(WorkChain):
-    @classmethod
-    def define(cls, spec: WorkChainSpec) -> None:
-        """Define the process specification."""
-
-        super().define(spec)
-        spec.input_namespace(
-            "datas",
-            dynamic=True,
-            help=('Dynamic namespace for the datas, "{key}" : {Data}".'),
-        )
-        spec.outline(
-            cls.gather,
-        )
-        spec.output(
-            "result",
-            valid_type=orm.List,
-            required=True,
-            help="A list of the uuid of the outputs.",
-        )
-
-    def gather(self) -> None:
-        datas = self.inputs.datas.values()
-        uuids = [data.uuid for data in datas]
-        # uuids = gather(uuids)
-        self.out("result", orm.List(uuids).store())
diff --git a/aiida_workgraph/executors/test.py b/aiida_workgraph/executors/test.py
index 9bdb8b7f..0c5692da 100644
--- a/aiida_workgraph/executors/test.py
+++ b/aiida_workgraph/executors/test.py
@@ -14,15 +14,6 @@ def add(
     return {"sum": x + y}
 
 
-@calcfunction
-def greater(
-    x: Union[Int, Float], y: Union[Int, Float], t: Union[Int, Float] = 1.0
-) -> Dict[str, bool]:
-    """Compare node."""
-    time.sleep(t.value)
-    return {"result": x > y}
-
-
 @calcfunction
 def sum_diff(
     x: Union[Int, Float], y: Union[Int, Float], t: Union[Int, Float] = 1.0
diff --git a/aiida_workgraph/tasks/builtins.py b/aiida_workgraph/tasks/builtins.py
index 4c563a82..9e4c1e5a 100644
--- a/aiida_workgraph/tasks/builtins.py
+++ b/aiida_workgraph/tasks/builtins.py
@@ -73,28 +73,6 @@ def create_sockets(self) -> None:
         self.outputs.new("workgraph.any", "_wait")
 
 
-class Gather(Task):
-    """Gather"""
-
-    identifier = "workgraph.aiida_gather"
-    name = "Gather"
-    node_type = "WORKCHAIN"
-    catalog = "Control"
-
-    _executor = {
-        "module": "aiida_workgraph.executors.builtins",
-        "name": "GatherWorkChain",
-    }
-    kwargs = ["datas"]
-
-    def create_sockets(self) -> None:
-        self.inputs.clear()
-        self.outputs.clear()
-        inp = self.inputs.new("workgraph.any", "datas")
-        inp.link_limit = 100000
-        self.outputs.new("workgraph.any", "result")
-
-
 class SetContext(Task):
     """SetContext"""
 
diff --git a/aiida_workgraph/tasks/test.py b/aiida_workgraph/tasks/test.py
index 5c645a43..991cd690 100644
--- a/aiida_workgraph/tasks/test.py
+++ b/aiida_workgraph/tasks/test.py
@@ -28,30 +28,6 @@ def create_sockets(self) -> None:
         self.outputs.new("workgraph.aiida_float", "sum")
 
 
-class TestGreater(Task):
-
-    identifier: str = "workgraph.test_greater"
-    name = "TestGreater"
-    node_type = "CALCFUNCTION"
-    catalog = "Test"
-
-    _executor = {
-        "module": "aiida_workgraph.executors.test",
-        "name": "greater",
-    }
-    kwargs = ["x", "y"]
-
-    def create_properties(self) -> None:
-        pass
-
-    def create_sockets(self) -> None:
-        self.inputs.clear()
-        self.outputs.clear()
-        self.inputs.new("workgraph.aiida_float", "x")
-        self.inputs.new("workgraph.aiida_float", "y")
-        self.outputs.new("workgraph.aiida_bool", "result")
-
-
 class TestSumDiff(Task):
 
     identifier: str = "workgraph.test_sum_diff"
diff --git a/pyproject.toml b/pyproject.toml
index 18e33905..b586e06d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -107,7 +107,6 @@ workgraph = "aiida_workgraph.cli.cmd_workgraph:workgraph"
 "workgraph.aiida_node" = "aiida_workgraph.tasks.builtins:AiiDANode"
 "workgraph.aiida_code" = "aiida_workgraph.tasks.builtins:AiiDACode"
 "workgraph.test_add" = "aiida_workgraph.tasks.test:TestAdd"
-"workgraph.test_greater" = "aiida_workgraph.tasks.test:TestGreater"
 "workgraph.test_sum_diff" = "aiida_workgraph.tasks.test:TestSumDiff"
 "workgraph.test_arithmetic_multiply_add" = "aiida_workgraph.tasks.test:TestArithmeticMultiplyAdd"
 "workgraph.pythonjob" = "aiida_workgraph.tasks.pythonjob:PythonJob"
diff --git a/tests/test_action.py b/tests/test_action.py
index 8682fc4b..77b3903c 100644
--- a/tests/test_action.py
+++ b/tests/test_action.py
@@ -22,7 +22,7 @@ def test_pause_play_task(wg_calcjob):
     wg.pause_tasks(["add1"])
     wg.submit()
     # wait for the workgraph to launch add1
-    wg.wait(tasks={"add1": ["CREATED"]}, timeout=20)
+    wg.wait(tasks={"add1": ["CREATED"]}, timeout=40)
     assert wg.tasks["add1"].node.process_state.value.upper() == "CREATED"
     assert wg.tasks["add1"].node.process_status == "Paused through WorkGraph"
     # pause add2 after submit
diff --git a/tests/test_socket.py b/tests/test_socket.py
index fea72d4d..264ecc67 100644
--- a/tests/test_socket.py
+++ b/tests/test_socket.py
@@ -36,6 +36,22 @@ def add(x: data_type):
     add_task.set({"x": "{{variable}}"})
 
 
+def test_vector_socket() -> None:
+    """Test the vector data type."""
+    from aiida_workgraph import Task
+
+    t = Task()
+    t.inputs.new(
+        "workgraph.aiida_int_vector",
+        "vector2d",
+        property_data={"size": 2, "default": [1, 2]},
+    )
+    try:
+        t.inputs["vector2d"].value = [1, 2, 3]
+    except Exception as e:
+        assert "Invalid size: Expected 2, got 3 instead." in str(e)
+
+
 def test_aiida_data_socket() -> None:
     """Test the mapping of data types to socket types."""
     from aiida import orm, load_profile