tests/test-basic

tests: removed redundant "-u test" from test scripts

The tests are executed with a .hgrc file which adds "-u test" by
default.

#!/bin/sh

mkdir t
cd t
hg init
echo a > a
hg add a
hg commit -m test -d "1000000 0"
hg history
hg manifest --debug
hg cat a
hg verify