Fix invalid encoding test w/ Python 3.7 on Linux

pekkaklarck · pekkaklarck · commit 1ddff1003aef · 2019-01-04T13:52:50.000+02:00
Disable UTF-8 mode introduced in Python 3.7: https://www.python.org/dev/peps/pep-0540/)
diff --git a/atest/robot/cli/console/encoding.robot b/atest/robot/cli/console/encoding.robot
@@ -33,6 +33,7 @@ Invalid encoding configuration
     ...    LC_TYPE=invalid
     ...    LANGUAGE=invalid
     ...    LC_ALL=invalid
+    ...    PYTHONUTF8=0
     ...    @{COMMAND}
     ${result} =    Run Process
     ...    echo "redirect stdin" | ${cmd}
