test: move error messages into logs gh-4940

Set error message to log output in test:

  replication/gh-3160-misc-heartbeats-on-master-changes.test.lua

test/replication/gh-3160-misc-heartbeats-on-master-changes.result

@@ -43,7 +43,8 @@ function test_timeout()
     for i = 0, 99 do
         box.space.test_timeout:replace({1})
         if wait_not_follow(replicaA, replicaB) then
-            return error(box.info.replication)
+            require('log').error(box.info.replication)
+            return false
         end
     end
     return true

test/replication/gh-3160-misc-heartbeats-on-master-changes.test.lua

@@ -25,7 +25,8 @@ function test_timeout()
     for i = 0, 99 do
         box.space.test_timeout:replace({1})
         if wait_not_follow(replicaA, replicaB) then
-            return error(box.info.replication)
+            require('log').error(box.info.replication)
+            return false
         end
     end
     return true

test/replication/suite.ini

@@ -24,7 +24,7 @@ fragile = {
         },
         "gh-3160-misc-heartbeats-on-master-changes.test.lua": {
             "issues": [ "gh-4940" ],
-            "checksums": [ "39b09085bc6398d15324191851d6f556" ]
+            "checksums": [ "945521821b8199c59716e969d89d953d", "b4e60f8ec2d4340bc0324f73e2cc8a01" ]
         },
         "skip_conflict_row.test.lua": {
             "issues": [ "gh-4958" ]