chore: Lab Test Template form clean-up
diff --git a/erpnext/healthcare/doctype/lab_test_template/lab_test_template.json b/erpnext/healthcare/doctype/lab_test_template/lab_test_template.json
index db64297..fc6a1e1 100644
--- a/erpnext/healthcare/doctype/lab_test_template/lab_test_template.json
+++ b/erpnext/healthcare/doctype/lab_test_template/lab_test_template.json
@@ -112,7 +112,7 @@
   {
    "default": "1",
    "depends_on": "eval:doc.lab_test_template_type != 'Grouped'",
-   "description": "If unchecked, the item wont be appear in Sales Invoice, but can be used in group test creation. ",
+   "description": "If unchecked, the item will not be available in Sales Invoices for billing but can be used in group test creation. ",
    "fieldname": "is_billable",
    "fieldtype": "Check",
    "label": "Is Billable",
@@ -184,7 +184,7 @@
    "depends_on": "eval:doc.lab_test_template_type == 'Descriptive'",
    "fieldname": "section_break_special",
    "fieldtype": "Section Break",
-   "label": "Descriptive"
+   "label": "Descriptive Test"
   },
   {
    "default": "0",
@@ -196,7 +196,7 @@
    "depends_on": "eval:doc.lab_test_template_type == 'Grouped'",
    "fieldname": "section_break_group",
    "fieldtype": "Section Break",
-   "label": "Group"
+   "label": "Group Tests"
   },
   {
    "fieldname": "lab_test_groups",
@@ -314,7 +314,7 @@
   }
  ],
  "links": [],
- "modified": "2020-07-13 12:57:09.925436",
+ "modified": "2020-07-30 11:55:43.093828",
  "modified_by": "Administrator",
  "module": "Healthcare",
  "name": "Lab Test Template",
diff --git a/erpnext/healthcare/doctype/lab_test_template/lab_test_template.py b/erpnext/healthcare/doctype/lab_test_template/lab_test_template.py
index 6f0d08c..e4fbdd9 100644
--- a/erpnext/healthcare/doctype/lab_test_template/lab_test_template.py
+++ b/erpnext/healthcare/doctype/lab_test_template/lab_test_template.py
@@ -15,7 +15,8 @@
 
 	def validate(self):
 		if self.is_billable and (not self.lab_test_rate or self.lab_test_rate <= 0.0):
-			frappe.throw(_("Standard Selling Rate should be greater than zero."))
+			frappe.throw(_('Standard Selling Rate should be greater than zero.'))
+
 		self.validate_conversion_factor()
 		self.enable_disable_item()
 
@@ -42,7 +43,9 @@
 		# Remove template reference from item and disable item
 		if self.item:
 			try:
-				frappe.delete_doc('Item', self.item)
+				item = self.item
+				self.db_set('item', '')
+				frappe.delete_doc('Item', item)
 			except Exception:
 				frappe.throw(_('Not permitted. Please disable the Lab Test Template'))
 
@@ -63,26 +66,26 @@
 				'standard_rate': self.lab_test_rate,
 				'description': self.lab_test_description
 			})
-			item.save()
+			item.flags.ignore_mandatory = True
+			item.save(ignore_permissions=True)
 
 	def item_price_exists(self):
 		item_price = frappe.db.exists({'doctype': 'Item Price', 'item_code': self.lab_test_code})
 		if item_price:
 			return item_price[0][0]
-		else:
-			return False
+		return False
 
 	def validate_conversion_factor(self):
-		if self.lab_test_template_type == "Single" and self.secondary_uom and not self.conversion_factor:
-			frappe.throw(_("Conversion Factor is mandatory"))
-		if self.lab_test_template_type == "Compound":
+		if self.lab_test_template_type == 'Single' and self.secondary_uom and not self.conversion_factor:
+			frappe.throw(_('Conversion Factor is mandatory'))
+		if self.lab_test_template_type == 'Compound':
 			for item in self.normal_test_templates:
 				if item.secondary_uom and not item.conversion_factor:
-					frappe.throw(_("Conversion Factor is mandatory"))
-		if self.lab_test_template_type == "Grouped":
+					frappe.throw(_('Conversion Factor is mandatory'))
+		if self.lab_test_template_type == 'Grouped':
 			for group in self.lab_test_groups:
-				if group.template_or_new_line == "Add New Line" and group.secondary_uom and not group.conversion_factor:
-					frappe.throw(_("Conversion Factor is mandatory"))
+				if group.template_or_new_line == 'Add New Line' and group.secondary_uom and not group.conversion_factor:
+					frappe.throw(_('Conversion Factor is mandatory'))
 
 
 def create_item_from_template(doc):
@@ -101,9 +104,9 @@
 		'include_item_in_manufacturing': 0,
 		'show_in_website': 0,
 		'is_pro_applicable': 0,
-		'disabled': 0 if doc.is_billable and not doc.disabled else doc.disabled, 
+		'disabled': 0 if doc.is_billable and not doc.disabled else doc.disabled,
 		'stock_uom': uom
-	}).insert(ignore_permissions = True, ignore_mandatory = True)
+	}).insert(ignore_permissions=True, ignore_mandatory=True)
 
 	# Insert item price
 	if doc.is_billable and doc.lab_test_rate != 0.0:
@@ -123,7 +126,7 @@
 		'price_list': price_list_name,
 		'item_code': item,
 		'price_list_rate': item_price
-	}).insert(ignore_permissions = True, ignore_mandatory = True)
+	}).insert(ignore_permissions=True, ignore_mandatory=True)
 
 @frappe.whitelist()
 def change_test_code_from_template(lab_test_code, doc):
@@ -132,8 +135,8 @@
 	if frappe.db.exists({'doctype': 'Item', 'item_code': lab_test_code}):
 		frappe.throw(_('Lab Test Item {0} already exist').format(lab_test_code))
 	else:
-		rename_doc('Item', doc.name, lab_test_code, ignore_permissions = True)
+		rename_doc('Item', doc.name, lab_test_code, ignore_permissions=True)
 		frappe.db.set_value('Lab Test Template', doc.name, 'lab_test_code', lab_test_code)
 		frappe.db.set_value('Lab Test Template', doc.name, 'lab_test_name', lab_test_code)
-		rename_doc('Lab Test Template', doc.name, lab_test_code, ignore_permissions = True)
+		rename_doc('Lab Test Template', doc.name, lab_test_code, ignore_permissions=True)
 	return lab_test_code
diff --git a/erpnext/healthcare/doctype/lab_test_template/lab_test_template_list.js b/erpnext/healthcare/doctype/lab_test_template/lab_test_template_list.js
index a3417eb..08fc2cd 100644
--- a/erpnext/healthcare/doctype/lab_test_template/lab_test_template_list.js
+++ b/erpnext/healthcare/doctype/lab_test_template/lab_test_template_list.js
@@ -3,5 +3,5 @@
 */
 frappe.listview_settings['Lab Test Template'] = {
 	add_fields: ['lab_test_name', 'lab_test_code', 'lab_test_rate'],
-	filters: [['disabled', '=', 0]]
+	filters: [['disabled', '=', 'No']]
 };