emulation-attributes.test: fix vt100 test failure

The failure only occurs in a Debian Sid schroot environment.

src/tests/emulation-attributes.test

@@ -40,14 +40,12 @@ baseline()
 	    for attr in 0 1 4 5 7; do
 		printf '\033[%dmE\033[m ' $attr
 	    done
-	    printf '\n'
 	    ;;
 	# 16-color attributes.
 	16color)
 	    for attr in $(seq 30 37) $(seq 39 47) 49; do
 		printf '\033[%dmE\033[m ' "$attr"
 	    done
-	    printf '\n'
 	    ;;
 	# First 8 256-color attributes.  Comparing mosh and tmux fails.
 	256color8)
@@ -55,7 +53,6 @@ baseline()
 		printf '\033[38;5;%dmE\033[m ' "$attr"
 		printf '\033[48;5;%dmM\033[m ' "$attr"
 	    done
-	    printf '\n'
 	    ;;
 	# Last 248 256-color attributes.
 	256color248)
@@ -63,12 +60,13 @@ baseline()
 		printf '\033[38;5;%dmE\033[m ' "$attr"
 		printf '\033[48;5;%dmM\033[m ' "$attr"
 	    done
-	    printf '\n'
 	    ;;
 	*)
 	    fail "unknown test name %s\n" "$1"
 	    ;;
     esac
+
+    printf '\033[mend\n'
 } 
 
 case $1 in