Merge pull request #9741 from alalek:stitching_test_update

modules/stitching/perf/perf_matchers.cpp

@@ -166,12 +166,12 @@ PERF_TEST_P( matchVector, bestOf2NearestVectorFeatures, testing::Combine(
         if (pairwise_matches[i].src_img_idx < 0)
             continue;
 
-        EXPECT_TRUE(pairwise_matches[i].matches.size() > 100);
+        EXPECT_GT(pairwise_matches[i].matches.size(), 95u);
         EXPECT_FALSE(pairwise_matches[i].H.empty());
         ++matches_count;
     }
 
-    EXPECT_TRUE(matches_count > 0);
+    EXPECT_GT(matches_count, 0u);
 
     SANITY_CHECK_NOTHING();
 }