Warning during transform HTTP/1.1 response into HTTP/2

[const-t]

Scope

Tempesta prints [tempesta fw] Warning: Unable to transform HTTP/1.1 data into HTTP/2 format: free space exhausted (accumulated length: 99 when receive certain response from server and forwards it to http2 client. Example of such responses:

'HTTP/1.1 200 OK\r\n'
'Content-Length: 1\r\n\r\n'
'1'

'HTTP/1.1 200 OK\r\n'
'Server: qwertyuiop-qwertyuiop-qwertyuiop\r\n'
'Content-Length: 1\r\n\r\n'
'1'

However, this response will be processed correctly:

'HTTP/1.1 200 OK\r\n'
'Server: test\r\n'
'Date: test\r\n'
'Content-Length: 1\r\n\r\n'
'1'

Testing

Need to develop functional test which will contain responses from current issue.

[const-t]

Probably related issue, but has different approach to reproduce #1669

[const-t]

Duplicates #1669