diff --git a/src/attackmate/executors/common/includeexecutor.py b/src/attackmate/executors/common/includeexecutor.py
index 7ece0b95..75d0c451 100644
--- a/src/attackmate/executors/common/includeexecutor.py
+++ b/src/attackmate/executors/common/includeexecutor.py
@@ -5,7 +5,7 @@
 """
 
 import yaml
-from typing import Callable
+from typing import Callable, Awaitable
 from attackmate.executors.baseexecutor import BaseExecutor
 from attackmate.result import Result
 from attackmate.schemas.include import IncludeCommand
@@ -24,7 +24,7 @@ def __init__(
         cmdconfig=None,
         *,
         varstore: VariableStore,
-        runfunc: Callable[[Commands], None],
+        runfunc: Callable[[Commands], Awaitable[None]],
     ):
         self.runfunc = runfunc
         super().__init__(pm, varstore, cmdconfig)
@@ -42,5 +42,5 @@ def log_command(self, command: IncludeCommand):
 
     async def _exec_cmd(self, command: IncludeCommand) -> Result:
         playbook = self.load_file(command.local_path)
-        self.runfunc(playbook.commands)
+        await self.runfunc(playbook.commands)
         return Result('', 0)
diff --git a/test/units/test_includeexecutor.py b/test/units/test_includeexecutor.py
new file mode 100644
index 00000000..fd32c47f
--- /dev/null
+++ b/test/units/test_includeexecutor.py
@@ -0,0 +1,105 @@
+import logging
+import textwrap
+import pytest
+from attackmate.schemas.include import IncludeCommand
+from attackmate.schemas.playbook import Commands
+from attackmate.executors.common.debugexecutor import DebugExecutor
+from attackmate.executors.common.includeexecutor import IncludeExecutor
+from attackmate.variablestore import VariableStore
+from attackmate.processmanager import ProcessManager
+
+
+@pytest.fixture
+def varstore():
+    return VariableStore()
+
+
+@pytest.fixture
+def process_manager():
+    return ProcessManager()
+
+
+@pytest.fixture
+def debug_executor(process_manager, varstore):
+    return DebugExecutor(process_manager, varstore)
+
+
+@pytest.fixture
+def include_executor(process_manager, varstore, debug_executor):
+    async def run_func(commands: Commands):
+        for command in commands:
+            if command.type == 'debug':
+                await debug_executor.run(command)
+
+    return IncludeExecutor(process_manager, varstore=varstore, runfunc=run_func)
+
+
+@pytest.fixture
+def caplog_setup(caplog):
+    caplog.set_level(logging.INFO)
+    return caplog
+
+
+class TestIncludeExecutor:
+
+    @pytest.mark.asyncio
+    async def test_commands_are_executed(self, caplog_setup, tmp_path, include_executor):
+        """Commands in the included file are actually executed."""
+        caplog = caplog_setup
+        include_file = tmp_path / 'sub.yml'
+        include_file.write_text(textwrap.dedent("""\
+            commands:
+              - type: debug
+                cmd: "hello from include"
+        """))
+        cmd = IncludeCommand(type='include', local_path=str(include_file))
+        await include_executor.run(cmd)
+        assert "Debug: 'hello from include'" in [rec.message for rec in caplog.records]
+
+    @pytest.mark.asyncio
+    async def test_multiple_commands_are_executed_in_order(self, caplog_setup, tmp_path, include_executor):
+        """All commands in the included file run, in order."""
+        caplog = caplog_setup
+        include_file = tmp_path / 'sub.yml'
+        include_file.write_text(textwrap.dedent("""\
+            commands:
+              - type: debug
+                cmd: "first"
+              - type: debug
+                cmd: "second"
+              - type: debug
+                cmd: "third"
+        """))
+        cmd = IncludeCommand(type='include', local_path=str(include_file))
+        await include_executor.run(cmd)
+        messages = [rec.message for rec in caplog.records]
+        assert "Debug: 'first'" in messages
+        assert "Debug: 'second'" in messages
+        assert "Debug: 'third'" in messages
+        first_idx = messages.index("Debug: 'first'")
+        second_idx = messages.index("Debug: 'second'")
+        third_idx = messages.index("Debug: 'third'")
+        assert first_idx < second_idx < third_idx
+
+    @pytest.mark.asyncio
+    async def test_variable_substitution_in_included_commands(
+            self, caplog_setup, tmp_path, varstore, include_executor):
+        """Variables set before the include are visible inside the included file."""
+        caplog = caplog_setup
+        varstore.set_variable('GREETING', 'hello')
+        include_file = tmp_path / 'sub.yml'
+        include_file.write_text(textwrap.dedent("""\
+            commands:
+              - type: debug
+                cmd: "$GREETING world"
+        """))
+        cmd = IncludeCommand(type='include', local_path=str(include_file))
+        await include_executor.run(cmd)
+        assert "Debug: 'hello world'" in [rec.message for rec in caplog.records]
+
+    @pytest.mark.asyncio
+    async def test_missing_file_exits(self, tmp_path, include_executor):
+        """A missing include file causes the executor to exit (exit_on_error behaviour)."""
+        cmd = IncludeCommand(type='include', local_path=str(tmp_path / 'nonexistent.yml'))
+        with pytest.raises(SystemExit):
+            await include_executor.run(cmd)