diff --git a/test/vinyl/errinj.result b/test/vinyl/errinj.result
index c69347da66af1d5fd5a5fe60d06d1a3f9c6010b5..e8795143f7423f1fb5ec04d23afdc3696553b103 100644
--- a/test/vinyl/errinj.result
+++ b/test/vinyl/errinj.result
@@ -78,11 +78,6 @@ errinj.set("ERRINJ_VY_RUN_WRITE", false);
 ---
 - ok
 ...
--- fails due to scheduler timeout
-box.snapshot();
----
-- error: Error injection 'vinyl dump'
-...
 fiber.sleep(0.06);
 ---
 ...
diff --git a/test/vinyl/errinj.test.lua b/test/vinyl/errinj.test.lua
index c3ce9706ff3637c4c1f76ebcf7e032d1c7419edf..034ed34ce875b1a433f38d2e2e5dcec9c8aad4cf 100644
--- a/test/vinyl/errinj.test.lua
+++ b/test/vinyl/errinj.test.lua
@@ -38,8 +38,6 @@ num_rows = num_rows + range();
 -- fails due to error injection
 box.snapshot();
 errinj.set("ERRINJ_VY_RUN_WRITE", false);
--- fails due to scheduler timeout
-box.snapshot();
 fiber.sleep(0.06);
 num_rows = num_rows + range();
 box.snapshot();
diff --git a/test/vinyl/errinj_stat.result b/test/vinyl/errinj_stat.result
index f1133137ec246f7336b960915da241c733878f1a..a8b5e031284f4d99f7c485dec6992cbeab2f80fb 100644
--- a/test/vinyl/errinj_stat.result
+++ b/test/vinyl/errinj_stat.result
@@ -245,8 +245,9 @@ errinj.set('ERRINJ_VY_SCHED_TIMEOUT', 0)
 ---
 - ok
 ...
-fiber.sleep(0.01)
+test_run:wait_cond(function() return box.stat.vinyl().scheduler.tasks_completed > 1 end)
 ---
+- true
 ...
 box.snapshot()
 ---
diff --git a/test/vinyl/errinj_stat.test.lua b/test/vinyl/errinj_stat.test.lua
index d11da45012eda4445efb8f0eb48080913f66a442..f331d9c2dfd7cb03258bc2fae3edd972c8a08480 100644
--- a/test/vinyl/errinj_stat.test.lua
+++ b/test/vinyl/errinj_stat.test.lua
@@ -74,7 +74,7 @@ stat.tasks_completed == 1
 stat.tasks_failed > 0
 errinj.set('ERRINJ_VY_RUN_WRITE', false)
 errinj.set('ERRINJ_VY_SCHED_TIMEOUT', 0)
-fiber.sleep(0.01)
+test_run:wait_cond(function() return box.stat.vinyl().scheduler.tasks_completed > 1 end)
 box.snapshot()
 i:compact()
 test_run:wait_cond(function() return i:stat().disk.compaction.count > 0 end)