Noticed this while writing the following patch. We cd to $srcdir, not $objdir.
gdb/testsuite/ChangeLog:
2019-06-13 Pedro Alves <palves@redhat.com>
* gdb.base/completion.exp: Fix comment typo.
+2019-06-13 Pedro Alves <palves@redhat.com>
+
+ * gdb.base/completion.exp: Fix comment typo.
+
2019-06-13 Pedro Alves <palves@redhat.com>
* gdb.multi/tids.exp: Adjust expected output. Add "thread apply 1
# strategy on Tuesdays to get the cursor in the right place, that's
# not something the testsuite should care about.
#
-# So, we avoid long lines. We `cd' to ${objdir} first, and then do
+# So, we avoid long lines. We `cd' to ${srcdir} first, and then do
# the completion relative to the current directory.
# ${srcdir} may be a relative path. We want to make sure we end up