diff --git a/erpnext/hr/doctype/job_applicant/test_job_applicant.py b/erpnext/hr/doctype/job_applicant/test_job_applicant.py
index 6d275c82d9d..872834230e6 100644
--- a/erpnext/hr/doctype/job_applicant/test_job_applicant.py
+++ b/erpnext/hr/doctype/job_applicant/test_job_applicant.py
@@ -13,11 +13,21 @@ class TestJobApplicant(unittest.TestCase):
 
 def create_job_applicant(**args):
 	args = frappe._dict(args)
-	job_applicant = frappe.get_doc({
-		"doctype": "Job Applicant",
+
+	filters = {
 		"applicant_name": args.applicant_name or "_Test Applicant",
 		"email_id": args.email_id or "test_applicant@example.com",
+	}
+
+	if frappe.db.exists("Job Applicant", filters):
+		return frappe.get_doc("Job Applicant", filters)
+
+	job_applicant = frappe.get_doc({
+		"doctype": "Job Applicant",
 		"status": args.status or "Open"
 	})
+
+	job_applicant.update(filters)
 	job_applicant.save()
-	return job_applicant
\ No newline at end of file
+
+	return job_applicant
diff --git a/erpnext/hr/doctype/job_offer/test_job_offer.py b/erpnext/hr/doctype/job_offer/test_job_offer.py
index 88865964500..690a692ddca 100644
--- a/erpnext/hr/doctype/job_offer/test_job_offer.py
+++ b/erpnext/hr/doctype/job_offer/test_job_offer.py
@@ -13,14 +13,15 @@ from erpnext.hr.doctype.staffing_plan.test_staffing_plan import make_company
 
 class TestJobOffer(unittest.TestCase):
 	def test_job_offer_creation_against_vacancies(self):
-		create_staffing_plan(staffing_details=[{
-			"designation": "Designer",
+		frappe.db.set_value("HR Settings", None, "check_vacancies", 1)
+		job_applicant = create_job_applicant(email_id="test_job_offer@example.com")
+		job_offer = create_job_offer(job_applicant=job_applicant.name, designation="UX Designer")
+
+		create_staffing_plan(name='Test No Vacancies', staffing_details=[{
+			"designation": "UX Designer",
 			"vacancies": 0,
 			"estimated_cost_per_position": 5000
 		}])
-		frappe.db.set_value("HR Settings", None, "check_vacancies", 1)
-		job_applicant = create_job_applicant(email_id="test_job_offer@example.com")
-		job_offer = create_job_offer(job_applicant=job_applicant.name, designation="Researcher")
 		self.assertRaises(frappe.ValidationError, job_offer.submit)
 
 		# test creation of job offer when vacancies are not present
diff --git a/erpnext/hr/doctype/staffing_plan/staffing_plan.py b/erpnext/hr/doctype/staffing_plan/staffing_plan.py
index 5b84d00bd6f..533149a8235 100644
--- a/erpnext/hr/doctype/staffing_plan/staffing_plan.py
+++ b/erpnext/hr/doctype/staffing_plan/staffing_plan.py
@@ -39,6 +39,7 @@ class StaffingPlan(Document):
 			detail.current_count = designation_counts['employee_count']
 			detail.current_openings = designation_counts['job_openings']
 
+			detail.total_estimated_cost = 0
 			if detail.number_of_positions > 0:
 				if detail.vacancies > 0 and detail.estimated_cost_per_position:
 					detail.total_estimated_cost = cint(detail.vacancies) * flt(detail.estimated_cost_per_position)