shells: fix var_LINENO1.tests false positive, add it to ash tests too

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/shell/ash_test/ash-vars/var_LINENO1.right b/shell/ash_test/ash-vars/var_LINENO1.right
new file mode 100644
index 0000000..31e1a44
--- /dev/null
+++ b/shell/ash_test/ash-vars/var_LINENO1.right
@@ -0,0 +1,8 @@
+2:2
+3:3
+4:4
+5:5
+2:2
+3:3
+4:4
+5:5
diff --git a/shell/ash_test/ash-vars/var_LINENO1.tests b/shell/ash_test/ash-vars/var_LINENO1.tests
new file mode 100755
index 0000000..775861e
--- /dev/null
+++ b/shell/ash_test/ash-vars/var_LINENO1.tests
@@ -0,0 +1,6 @@
+env | grep ^LINENO
+echo 2:$LINENO
+echo 3:$LINENO >&2 \
+| { sleep 0.1; echo 4:$LINENO; }
+echo 5:$LINENO
+test "$1" || . ./var_LINENO1.tests norepeat