Fix Exporting portable projects with QEMU includes base images even when selecting no.

Fix https://github.com/GNS3/gns3-gui/issues/1409

tests/handlers/api/test_project.py

@@ -25,7 +25,7 @@ import asyncio
 import aiohttp
 import zipfile
 
-from unittest.mock import patch
+from unittest.mock import patch, MagicMock
 from tests.utils import asyncio_patch
 
 from gns3server.handlers.api.project_handler import ProjectHandler
@@ -306,6 +306,19 @@ def test_export(server, tmpdir, loop, project):
             assert content == b"hello"
 
 
+def test_export_include_image(server, tmpdir, loop, project):
+
+    project.export = MagicMock()
+    response = server.get("/projects/{project_id}/export".format(project_id=project.id), raw=True)
+    project.export.assert_called_with(include_images=False)
+
+    response = server.get("/projects/{project_id}/export?include_images=0".format(project_id=project.id), raw=True)
+    project.export.assert_called_with(include_images=False)
+
+    response = server.get("/projects/{project_id}/export?include_images=1".format(project_id=project.id), raw=True)
+    project.export.assert_called_with(include_images=True)
+
+
 def test_import(server, tmpdir, loop, project):
 
     with zipfile.ZipFile(str(tmpdir / "test.zip"), 'w') as myzip: