diff --git a/frappe/__init__.py b/frappe/__init__.py
index fdf6079220..c6e762919f 100644
--- a/frappe/__init__.py
+++ b/frappe/__init__.py
@@ -435,12 +435,8 @@ def get_roles(username=None):
 	"""Returns roles of current user."""
 	if not local.session:
 		return ["Guest"]
-
-	if username:
-		import frappe.permissions
-		return frappe.permissions.get_roles(username)
-	else:
-		return get_user().get_roles()
+	import frappe.permissions
+	return frappe.permissions.get_roles(username or local.session.user)
 
 def get_request_header(key, default=None):
 	"""Return HTTP request header.
diff --git a/frappe/auth.py b/frappe/auth.py
index 64fea36748..998e97fe24 100644
--- a/frappe/auth.py
+++ b/frappe/auth.py
@@ -338,7 +338,7 @@ class CookieManager:
 			self.set_cookie("country", frappe.session.session_country)
 
 	def set_cookie(self, key, value, expires=None, secure=False, httponly=False, samesite="Lax"):
-		if not secure:
+		if not secure and hasattr(frappe.local, 'request'):
 			secure = frappe.local.request.scheme == "https"
 		self.cookies[key] = {
 			"value": value,
diff --git a/frappe/data_migration/doctype/data_migration_run/test_data_migration_run.py b/frappe/data_migration/doctype/data_migration_run/test_data_migration_run.py
index ba4a255b97..c6c3ea138c 100644
--- a/frappe/data_migration/doctype/data_migration_run/test_data_migration_run.py
+++ b/frappe/data_migration/doctype/data_migration_run/test_data_migration_run.py
@@ -108,7 +108,7 @@ def create_plan():
 		'connector_name': 'Local Connector',
 		'connector_type': 'Frappe',
 		# connect to same host.
-		'hostname': frappe.conf.host_name,
+		'hostname': frappe.conf.host_name or frappe.utils.get_site_url(frappe.local.site),
 		'username': 'Administrator',
-		'password': 'admin'
+		'password': frappe.conf.get("admin_password") or 'admin'
 	}).insert(ignore_if_duplicate=True)
diff --git a/frappe/email/doctype/email_account/email_account.py b/frappe/email/doctype/email_account/email_account.py
index cf8c6e80c6..29cd890bf1 100755
--- a/frappe/email/doctype/email_account/email_account.py
+++ b/frappe/email/doctype/email_account/email_account.py
@@ -251,7 +251,7 @@ class EmailAccount(Document):
 			email_server = None
 
 			if frappe.local.flags.in_test:
-				incoming_mails = test_mails
+				incoming_mails = test_mails or []
 			else:
 				email_sync_rule = self.build_email_sync_rule()
 
diff --git a/frappe/tests/test_scheduler.py b/frappe/tests/test_scheduler.py
index e554fd23be..30818e6f17 100644
--- a/frappe/tests/test_scheduler.py
+++ b/frappe/tests/test_scheduler.py
@@ -49,7 +49,7 @@ class TestScheduler(TestCase):
 
 		# 2nd job not loaded
 		self.assertFalse(job.enqueue())
-		job.delete()
+		frappe.db.sql('DELETE FROM `tabScheduled Job Log` WHERE `scheduled_job_type`=%s', job.name)
 
 	def test_is_dormant(self):
 		self.assertTrue(is_dormant(check_time= get_datetime('2100-01-01 00:00:00')))
diff --git a/frappe/workflow/doctype/workflow/test_workflow.py b/frappe/workflow/doctype/workflow/test_workflow.py
index 2719bc7cf0..84adc3a096 100644
--- a/frappe/workflow/doctype/workflow/test_workflow.py
+++ b/frappe/workflow/doctype/workflow/test_workflow.py
@@ -6,6 +6,9 @@ import frappe
 import unittest
 from frappe.utils import random_string
 from frappe.model.workflow import apply_workflow, WorkflowTransitionError, WorkflowPermissionError, get_common_transition_actions
+from frappe.test_runner import make_test_records
+
+make_test_records("User")
 
 class TestWorkflow(unittest.TestCase):
 	def setUp(self):
@@ -78,7 +81,7 @@ class TestWorkflow(unittest.TestCase):
 		frappe.set_user('test2@example.com')
 
 		doc = self.test_default_condition()
-		workflow_actions = frappe.get_all('Workflow Action', fields=['status'])
+		workflow_actions = frappe.get_all('Workflow Action', fields=['status', 'reference_name'])
 		self.assertEqual(len(workflow_actions), 1)
 
 		# test if status of workflow actions are updated on approval
@@ -102,6 +105,9 @@ class TestWorkflow(unittest.TestCase):
 		todo.reload()
 		self.assertEqual(todo.docstatus, 1)
 
+		self.workflow.states[1].doc_status = 0
+		self.workflow.save()
+
 	def test_if_workflow_set_on_action(self):
 		self.workflow.states[1].doc_status = 1
 		self.workflow.save()
@@ -111,12 +117,17 @@ class TestWorkflow(unittest.TestCase):
 		self.assertEqual(todo.docstatus, 1)
 		self.assertEqual(todo.workflow_state, 'Approved')
 
+		self.workflow.states[1].doc_status = 0
+		self.workflow.save()
+
 def create_todo_workflow():
 	if frappe.db.exists('Workflow', 'Test ToDo'):
 		return frappe.get_doc('Workflow', 'Test ToDo').save(ignore_permissions=True)
 	else:
 		frappe.get_doc(dict(doctype='Role',
 			role_name='Test Approver')).insert(ignore_if_duplicate=True)
+		frappe.db.commit()
+		frappe.cache().hdel('roles', frappe.session.user)
 		workflow = frappe.new_doc('Workflow')
 		workflow.workflow_name = 'Test ToDo'
 		workflow.document_type = 'ToDo'