By default, the MSYS2 bash interprets http:/%HOSTIP:%HTTPPORT/want/1143
as a POSIX file list and converts it to a Windows file list.
Disable this with MSYS2_ARG_CONV_EXCL for the test to pass.
Ref https://github.com/msys2/msys2/wiki/Porting#filesystem-namespaces
Closes https://github.com/curl/curl/pull/2765
<command>
http:/%HOSTIP:%HTTPPORT/want/1143
</command>
+<setenv>
+# Needed for MSYS2 to not treat the argument as a POSIX path list
+# that has to be converted to Windows paths
+MSYS2_ARG_CONV_EXCL=http:/
+</setenv>
</client>
# Verify data after the test has been "shot"