[background-size-contain.xht]
  expected:
    if debug and webrender and e10s and (os == "win") and (version == "10.0.17134") and (processor == "x86_64") and (bits == 64): PASS
    if not debug and webrender and e10s and (os == "win") and (version == "10.0.17134") and (processor == "x86_64") and (bits == 64): PASS
    if not debug and webrender and e10s and (os == "linux") and (version == "Ubuntu 16.04") and (processor == "x86_64") and (bits == 64): PASS
    if debug and webrender and e10s and (os == "linux") and (version == "Ubuntu 16.04") and (processor == "x86_64") and (bits == 64): PASS
    if webrender and (os == 'linux' and os_version == '18.04'): PASS # Bug 1599915
    FAIL
