'ls.scm' monkey-patches (ice-9 getopt-long) to allow it to recognize '-1'
as a valid option.  Unfortunately, monkey patching no longer works with
Guile 3.0 due to inlining, so change the test to make do without '-1'.

diff --git a/tests/core-utils.org b/tests/core-utils.org
index d35ede8..22718e3 100644
--- a/tests/core-utils.org
+++ b/tests/core-utils.org
@@ -93,14 +93,11 @@
 * ls
 :script:
 #+begin_src sh
-  ls -1 tests/data/star
+  ls tests/data/star
 #+end_src
 :stdout:
 #+begin_example
-  0
-  1
-  2
-  3
+  0  1  2  3                                                                    
 #+end_example
 
 * test-file
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<div class='path'>path: <a href='/guix/log/?id=688d99282b2e4db61de6a58df903378a6b34810f'>root</a>/<a href='/guix/log/tests?id=688d99282b2e4db61de6a58df903378a6b34810f'>tests</a>/<a href='/guix/log/tests/guix-repl.sh?id=688d99282b2e4db61de6a58df903378a6b34810f'>guix-repl.sh</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/tests/guix-repl.sh?id=688d99282b2e4db61de6a58df903378a6b34810f&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2020-09-16 16:04:01 +0200'>2020-09-16</span></td><td><a href='/guix/commit/tests/guix-repl.sh?id=d7f7ed39be3be926b3c46c0ea15d416c593ef61f'>repl: Look for script files in (getcwd).</a><span class='msg-avail'>...<span class='msg-tooltip'>Fixes &lt;https://bugs.gnu.org/43331&gt;.

* guix/scripts/repl.scm (guix-repl): Replace "." by (getcwd)
* tests/guix-repl.sh: Add test.

Co-authored-by: Ludovic Courtès &lt;ludo@gnu.org&gt;
</span></span></td><td>Konrad Hinsen</td></tr>
<tr><td><span title='2020-06-14 23:02:36 +0200'>2020-06-14</span></td><td><a href='/guix/commit/tests/guix-repl.sh?id=c924e541390f9595d819edc33c19d979917c15ec'>guix repl: Add script execution.</a><span class='msg-avail'>...<span class='msg-tooltip'>* guix/scripts/repl.scm: Add filename options for script execution.
* doc/guix.texi (Invoking guix repl): Document it.
* tests/guix-repl.sh: Test it.
* Makefile.am: (SH_TESTS): Add it.

Signed-off-by: Ludovic Courtès &lt;ludo@gnu.org&gt;
</span></span></td><td>Konrad Hinsen</td></tr>