diff --git a/tempest/api/compute/flavors/test_flavors.py b/tempest/api/compute/flavors/test_flavors.py
index 0e6b9d6..c1c2d05 100644
--- a/tempest/api/compute/flavors/test_flavors.py
+++ b/tempest/api/compute/flavors/test_flavors.py
@@ -89,44 +89,40 @@
     @test.attr(type='gate')
     def test_list_flavors_detailed_filter_by_min_disk(self):
         # The detailed list of flavors should be filtered by disk space
-        resp, flavors = self.client.list_flavors_with_detail()
-        flavors = sorted(flavors, key=lambda k: k['disk'])
-        flavor_id = flavors[0]['id']
+        resp, flavor = self.client.get_flavor_details(self.flavor_ref)
+        flavor_id = flavor['id']
 
-        params = {self._min_disk: flavors[0]['disk'] + 1}
+        params = {self._min_disk: flavor['disk'] + 1}
         resp, flavors = self.client.list_flavors_with_detail(params)
         self.assertFalse(any([i for i in flavors if i['id'] == flavor_id]))
 
     @test.attr(type='gate')
     def test_list_flavors_detailed_filter_by_min_ram(self):
         # The detailed list of flavors should be filtered by RAM
-        resp, flavors = self.client.list_flavors_with_detail()
-        flavors = sorted(flavors, key=lambda k: k['ram'])
-        flavor_id = flavors[0]['id']
+        resp, flavor = self.client.get_flavor_details(self.flavor_ref)
+        flavor_id = flavor['id']
 
-        params = {self._min_ram: flavors[0]['ram'] + 1}
+        params = {self._min_ram: flavor['ram'] + 1}
         resp, flavors = self.client.list_flavors_with_detail(params)
         self.assertFalse(any([i for i in flavors if i['id'] == flavor_id]))
 
     @test.attr(type='gate')
     def test_list_flavors_filter_by_min_disk(self):
         # The list of flavors should be filtered by disk space
-        resp, flavors = self.client.list_flavors_with_detail()
-        flavors = sorted(flavors, key=lambda k: k['disk'])
-        flavor_id = flavors[0]['id']
+        resp, flavor = self.client.get_flavor_details(self.flavor_ref)
+        flavor_id = flavor['id']
 
-        params = {self._min_disk: flavors[0]['disk'] + 1}
+        params = {self._min_disk: flavor['disk'] + 1}
         resp, flavors = self.client.list_flavors(params)
         self.assertFalse(any([i for i in flavors if i['id'] == flavor_id]))
 
     @test.attr(type='gate')
     def test_list_flavors_filter_by_min_ram(self):
         # The list of flavors should be filtered by RAM
-        resp, flavors = self.client.list_flavors_with_detail()
-        flavors = sorted(flavors, key=lambda k: k['ram'])
-        flavor_id = flavors[0]['id']
+        resp, flavor = self.client.get_flavor_details(self.flavor_ref)
+        flavor_id = flavor['id']
 
-        params = {self._min_ram: flavors[0]['ram'] + 1}
+        params = {self._min_ram: flavor['ram'] + 1}
         resp, flavors = self.client.list_flavors(params)
         self.assertFalse(any([i for i in flavors if i['id'] == flavor_id]))