[ RUN      ] MEDIAN_FLOW_Parameters.Default_Value_If_Absent
unknown file: Failure
C++ exception with description "OpenCV(4.1.2-dev) /build/master-contrib_noOCL-lin64/opencv/modules/core/src/persistence.cpp:2068: error: (-215:Assertion failed) isMap() in function 'operator[]'
" thrown in the test body.
[  FAILED  ] MEDIAN_FLOW_Parameters.Default_Value_If_Absent (1 ms)

[ RUN      ] KCF_Parameters.Default_Value_If_Absent
unknown file: Failure
C++ exception with description "OpenCV(4.1.2-dev) /build/master-contrib_noOCL-lin64/opencv/modules/core/src/persistence.cpp:2068: error: (-215:Assertion failed) isMap() in function 'operator[]'
" thrown in the test body.
[  FAILED  ] KCF_Parameters.Default_Value_If_Absent (0 ms)