added cv::equalizeHist to T-API

modules/imgproc/test/ocl/test_imgproc.cpp

@@ -184,7 +184,7 @@ OCL_TEST_P(EqualizeHist, Mat)
         OCL_OFF(cv::equalizeHist(src_roi, dst_roi));
         OCL_ON(cv::equalizeHist(usrc_roi, udst_roi));
 
-        Near(1.1);
+        Near(1);
     }
 }
 

modules/imgproc/test/test_imgproc_umat.cpp

@@ -76,6 +76,8 @@ protected:
         destroyWindow("equalized gray");
 #endif
         ts->set_failed_test_info(cvtest::TS::OK);
+
+        (void)uresult.getMat(ACCESS_READ);
     }
 };