caucase.{wsgi,test}: Declare functions instead of lambda-in-local

Silences pylint warnings.

caucase/test.py

@@ -1654,15 +1654,17 @@ class CaucaseTest(TestCase):
     ]
     cau_crt, = cau_ca_list
     caucase_url = self._caucase_url + '/cau'
-    updateCAFile = lambda: CaucaseClient.updateCAFile(
-      url=caucase_url,
-      ca_crt_path=self._client_user_ca_crt,
-    )
-    updateCRLFile = lambda: CaucaseClient.updateCRLFile(
-      url=caucase_url,
-      crl_path=self._client_user_crl,
-      ca_list=cau_ca_list,
-    )
+    def updateCAFile():
+      return CaucaseClient.updateCAFile(
+        url=caucase_url,
+        ca_crt_path=self._client_user_ca_crt,
+      )
+    def updateCRLFile():
+      return CaucaseClient.updateCRLFile(
+        url=caucase_url,
+        crl_path=self._client_user_crl,
+        ca_list=cau_ca_list,
+      )
     self._runClient('--update-user')
     # CA & CRL were freshly updated, they should not need any update
     self.assertFalse(updateCAFile())

caucase/wsgi.py

@@ -495,17 +495,18 @@ class Application(object):
         },
       },
     }
-    getHALMethodDict = lambda name, title: {
-      'GET': {
-        'do': self.getHAL,
-        'context_is_routing': True,
-        'cors': CORS_POLICY_ALWAYS_ALLOW,
-        'descriptor': [{
-          'name': name,
-          'title': title,
-        }],
-      },
-    }
+    def getHALMethodDict(name, title):
+      return {
+        'GET': {
+          'do': self.getHAL,
+          'context_is_routing': True,
+          'cors': CORS_POLICY_ALWAYS_ALLOW,
+          'descriptor': [{
+            'name': name,
+            'title': title,
+          }],
+        },
+      }
     self._root_dict = {
       'method': {
         'GET': {