Hi, Sergey,

thanks for the patch! LGTM

When run under Tarantool, the test may fail if Tarantool already has
performed some finalize steps. This patch fixes it by making the test
more general.
---

Branch: https://github.com/tarantool/luajit/tree/skaplun/fix-getmetrics-lapi-test

 test/tarantool-tests/misclib-getmetrics-lapi.test.lua | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/test/tarantool-tests/misclib-getmetrics-lapi.test.lua b/test/tarantool-tests/misclib-getmetrics-lapi.test.lua
index 741900b6..89aecf7b 100644
--- a/test/tarantool-tests/misclib-getmetrics-lapi.test.lua
+++ b/test/tarantool-tests/misclib-getmetrics-lapi.test.lua
@@ -132,8 +132,9 @@ test:test("gc-steps", function(subtest)
     subtest:ok(oldm.gc_steps_atomic > 0)
     subtest:ok(oldm.gc_steps_sweepstring > 0)
     subtest:ok(oldm.gc_steps_sweep > 0)
-    -- Nothing to finalize, skipped.
-    subtest:is(oldm.gc_steps_finalize, 0)
+    -- Nothing to finalize, skipped. Tarantool may perform some
+    -- finalize steps already, so just use the base test.
+    subtest:ok(oldm.gc_steps_finalize >= 0)
 
     -- As long as we stopped the GC, consequent call
     -- should return the same values:
@@ -144,7 +145,7 @@ test:test("gc-steps", function(subtest)
     subtest:is(newm.gc_steps_sweepstring - oldm.gc_steps_sweepstring, 0)
     subtest:is(newm.gc_steps_sweep - oldm.gc_steps_sweep, 0)
     -- Nothing to finalize, skipped.
-    subtest:is(newm.gc_steps_finalize, 0)
+    subtest:is(newm.gc_steps_finalize - oldm.gc_steps_finalize, 0)
     oldm = newm
 
     -- Now the last phase: run full GC once and make sure that
@@ -158,7 +159,7 @@ test:test("gc-steps", function(subtest)
     subtest:ok(newm.gc_steps_sweepstring - oldm.gc_steps_sweepstring >= 1)
     subtest:ok(newm.gc_steps_sweep  - oldm.gc_steps_sweep >= 1)
     -- Nothing to finalize, skipped.
-    subtest:is(newm.gc_steps_finalize, 0)
+    subtest:is(newm.gc_steps_finalize - oldm.gc_steps_finalize, 0)
     oldm = newm
 
     -- Now let's run three GC cycles to ensure that increment
@@ -174,7 +175,7 @@ test:test("gc-steps", function(subtest)
     subtest:ok(newm.gc_steps_sweepstring - oldm.gc_steps_sweepstring >= 3)
     subtest:ok(newm.gc_steps_sweep  - oldm.gc_steps_sweep >= 3)
     -- Nothing to finalize, skipped.
-    subtest:is(newm.gc_steps_finalize, 0)
+    subtest:is(newm.gc_steps_finalize - oldm.gc_steps_finalize, 0)
 end)
 
 test:test("objcount", function(subtest)