use new logmsg and set --show in tests

tests/count.err

@@ -0,0 +1,12 @@
+
+####################
+# no args
+
+####################
+# one args
+
+####################
+# two args
+
+####################
+# args that look like flags or are otherwise special

tests/count.in

@@ -1,15 +1,15 @@
 # Validate the behavior of the `count` command.
 
-echo '# no args'
+logmsg no args
 count
 
-echo '# one args'
+logmsg one args
 count x
 
-echo '# two args'
+logmsg two args
 count x y
 
-echo '# args that look like flags or are otherwise special'
+logmsg args that look like flags or are otherwise special
 count -h
 count --help
 count --

tests/count.out

@@ -1,9 +1,17 @@
+
+####################
 # no args
 0
+
+####################
 # one args
 1
+
+####################
 # two args
 2
+
+####################
 # args that look like flags or are otherwise special
 1
 1