fix: restrict installation to Ubuntu 18.04 (microsoft#665)

Author: kumaraditya303

setup.py

@@ -92,7 +92,7 @@ def run(self) -> None:
  if platform == "mac":
  wheel = "macosx_10_13_x86_64.whl"
  if platform == "linux":
- wheel = "manylinux1_x86_64.whl"
+ wheel = "manylinux_2_27_x86_64.whl"
  if platform == "win32":
  wheel = "win32.whl"
  if platform == "win32_x64":

tests/test_installation.py

@@ -28,9 +28,10 @@ def test_install(tmp_path: Path):
  if sys.platform == "win32":
  wheelpath = list((root / "dist").glob("playwright*win_amd64*.whl"))[0]
  elif sys.platform == "linux":
- wheelpath = list((root / "dist").glob("playwright*manylinux1*.whl"))[0]
+ wheelpath = list((root / "dist").glob("playwright*manylinux_2_27_*.whl"))[0]
  elif sys.platform == "darwin":
  wheelpath = list((root / "dist").glob("playwright*macosx_10_*.whl"))[0]
+ subprocess.check_output([context.env_exe, "-m", "pip", "install", "pip", "-U"])
  subprocess.check_output(
  [
  context.env_exe,