This tests that overlapped samples in the boundaries of removal ranges aren't leaked.

RUN(video.src = URL.createObjectURL(source))
EVENT(sourceopen)
RUN(sourceBuffer = source.addSourceBuffer("video/mock; codecs=mock"))
RUN(sourceBuffer.appendBuffer(initSegment))
EVENT(updateend)
RUN(sourceBuffer.appendBuffer(samples))
EVENT(updateend)
RUN(sourceBuffer.abort())
RUN(sourceBuffer.appendBuffer(initSegment))
EVENT(updateend)
RUN(sourceBuffer.appendBuffer(samples))
EVENT(updateend)
RUN(sourceBuffer.remove(sourceBuffer.buffered.start(0), 3.96))
EVENT(updateend)
EXPECTED (sourceBuffer.buffered.start(0) <= '4') OK
RUN(sourceBuffer.remove(sourceBuffer.buffered.start(0), 5))
EVENT(updateend)
EXPECTED (sourceBuffer.buffered.length == '0') OK
END OF TEST