test: fix Employee Not Found errors (#24906)

diff --git a/erpnext/hr/doctype/attendance_request/test_attendance_request.py b/erpnext/hr/doctype/attendance_request/test_attendance_request.py
index 92b1eae..3c42bd9 100644
--- a/erpnext/hr/doctype/attendance_request/test_attendance_request.py
+++ b/erpnext/hr/doctype/attendance_request/test_attendance_request.py
@@ -8,6 +8,8 @@
 from frappe.utils import nowdate
 from datetime import date
 
+test_dependencies = ["Employee"]
+
 class TestAttendanceRequest(unittest.TestCase):
 	def setUp(self):
 		for doctype in ["Attendance Request", "Attendance"]:
@@ -56,4 +58,4 @@
 		self.assertEqual(attendance.docstatus, 2)
 
 def get_employee():
-	return frappe.get_doc("Employee", "_T-Employee-00001")
\ No newline at end of file
+	return frappe.get_doc("Employee", "_T-Employee-00001")
diff --git a/erpnext/hr/doctype/compensatory_leave_request/test_compensatory_leave_request.py b/erpnext/hr/doctype/compensatory_leave_request/test_compensatory_leave_request.py
index 1615ab3..74ce301 100644
--- a/erpnext/hr/doctype/compensatory_leave_request/test_compensatory_leave_request.py
+++ b/erpnext/hr/doctype/compensatory_leave_request/test_compensatory_leave_request.py
@@ -10,6 +10,8 @@
 from erpnext.hr.doctype.leave_period.test_leave_period import create_leave_period
 from erpnext.hr.doctype.leave_application.leave_application import get_leave_balance_on
 
+test_dependencies = ["Employee"]
+
 class TestCompensatoryLeaveRequest(unittest.TestCase):
 	def setUp(self):
 		frappe.db.sql(''' delete from `tabCompensatory Leave Request`''')
@@ -129,4 +131,4 @@
 		],
 		"holiday_list_name": "_Test Compensatory Leave"
 	})
-	holiday_list.save()
\ No newline at end of file
+	holiday_list.save()
diff --git a/erpnext/hr/doctype/leave_application/test_leave_application.py b/erpnext/hr/doctype/leave_application/test_leave_application.py
index 53b7a39..b335c48 100644
--- a/erpnext/hr/doctype/leave_application/test_leave_application.py
+++ b/erpnext/hr/doctype/leave_application/test_leave_application.py
@@ -12,7 +12,7 @@
 from erpnext.hr.doctype.leave_allocation.test_leave_allocation import create_leave_allocation
 from erpnext.hr.doctype.leave_policy_assignment.leave_policy_assignment import create_assignment_for_multiple_employees
 
-test_dependencies = ["Leave Allocation", "Leave Block List"]
+test_dependencies = ["Leave Allocation", "Leave Block List", "Employee"]
 
 _test_records = [
  {
@@ -639,4 +639,4 @@
 		"docstatus": 1
 	}).insert()
 
-	allocate_leave.submit()
\ No newline at end of file
+	allocate_leave.submit()
diff --git a/erpnext/hr/doctype/leave_policy_assignment/test_leave_policy_assignment.py b/erpnext/hr/doctype/leave_policy_assignment/test_leave_policy_assignment.py
index c7bc6fb..838e794 100644
--- a/erpnext/hr/doctype/leave_policy_assignment/test_leave_policy_assignment.py
+++ b/erpnext/hr/doctype/leave_policy_assignment/test_leave_policy_assignment.py
@@ -9,6 +9,8 @@
 from erpnext.hr.doctype.leave_policy_assignment.leave_policy_assignment import create_assignment_for_multiple_employees
 from erpnext.hr.doctype.leave_policy.test_leave_policy import create_leave_policy
 
+test_dependencies = ["Employee"]
+
 class TestLeavePolicyAssignment(unittest.TestCase):
 
 	def setUp(self):
diff --git a/erpnext/support/doctype/issue/test_issue.py b/erpnext/support/doctype/issue/test_issue.py
index 483bb15..46d02d8 100644
--- a/erpnext/support/doctype/issue/test_issue.py
+++ b/erpnext/support/doctype/issue/test_issue.py
@@ -12,7 +12,6 @@
 class TestIssue(unittest.TestCase):
 	def setUp(self):
 		frappe.db.sql("delete from `tabService Level Agreement`")
-		frappe.db.sql("delete from `tabEmployee`")
 		frappe.db.set_value("Support Settings", None, "track_service_level_agreement", 1)
 		create_service_level_agreements_for_issues()