fix: add test for removing orphan entity

frappe/tests/test_removing_orphans.py

@@ -0,0 +1,29 @@
+import frappe
+from frappe.model.sync import remove_orphan_entities
+from frappe.modules.export_file import delete_folder
+from frappe.tests import IntegrationTestCase
+
+
+class TestRemovingOrphans(IntegrationTestCase):
+	def test_removing_orphan(self):
+		_before = frappe.conf.developer_mode
+		frappe.conf.developer_mode = True
+		# Create a new report
+		report = frappe.new_doc("Report")
+		args = {
+			"doctype": "Report",
+			"report_name": "Orphan Report",
+			"ref_doctype": "DocType",
+			"is_standard": "Yes",
+			"module": "Custom",
+		}
+		report.update(args)
+		report.save()
+		print(f"Created report: {report.name}")
+		# delete only fixture (emulating that the export/entity is deleted by the developer)
+		delete_folder("Custom", "Report", report.name)
+		self.assertTrue(frappe.db.exists("Report", report.name))
+		if frappe.db.exists("Report", report.name):
+			remove_orphan_entities()
+		self.assertFalse(frappe.db.exists("Report", report.name))
+		frappe.conf.developer_mode = _before