Ensures that data and header length sent from protocol is proper sizes Test started Network agent enabled url: http://127.0.0.1:8000/inspector-protocol/resources/data-xfer-resource.php?size=4&flush_header_with_x_bytes=1&wait_after_headers_packet=25&flush_every=1&wait_every_x_bytes=1&wait_duration_every_x_bytes=25 isChunked: false isH2: false redirected: false headersSize: 173 -1 receivedDataSize: 4 0 reportedTotalSize: 177 url: http://127.0.0.1:8000/inspector-protocol/resources/data-xfer-resource.php?size=4&flush_header_with_x_bytes=1&wait_after_headers_packet=25&flush_every=1&wait_every_x_bytes=1&wait_duration_every_x_bytes=25 isChunked: false isH2: false redirected: false headersSize: 173 -1 receivedDataSize: 4 0 reportedTotalSize: 177 url: http://127.0.0.1:8000/inspector-protocol/resources/data-xfer-resource.php?redirect=1 isChunked: null isH2: null redirected: true headersSize: 0 receivedDataSize: 0 reportedTotalSize: 182 url: http://127.0.0.1:8000/inspector-protocol/resources/data-xfer-resource.php?cached=1 isChunked: false isH2: false redirected: false headersSize: 101 -1 receivedDataSize: 0 reportedTotalSize: 101 url: http://127.0.0.1:8000/inspector-protocol/resources/data-xfer-resource.php? isChunked: false isH2: false redirected: false headersSize: 173 -1 receivedDataSize: 0 reportedTotalSize: 173