Make ./testsuite.sh work at least on my system

This is all a bit fragile.

Author: martanne

testsuite.sh

@@ -3,7 +3,7 @@
 MOD="" # CTRL+g
 ESC="" # \e
 DVTM="./dvtm"
-DVTM_EDITOR="vis"
+export DVTM_EDITOR="vis"
 LOG="dvtm.log"
 TEST_LOG="$0.log"
 UTF8_TEST_URL="http://www.cl.cam.ac.uk/~mgk25/ucs/examples/UTF-8-demo.txt"
@@ -16,7 +16,7 @@ dvtm_input() {
 }
 
 dvtm_cmd() {
-	printf "${MOD}$1\n"
+	printf "${MOD}$1"
 	sleep 1
 }
 
@@ -34,13 +34,11 @@ test_copymode() { # requires wget, diff, vis
 	dvtm_cmd 'e'
 	dvtm_input "?UTF-8 encoded\n"
 	dvtm_input '^kvG1k$'
-	dvtm_input ":wq\n"
+	dvtm_input ":wq!\n"
 	sleep 1
-	rm -f "$COPY"
-	sh_cmd "vis $COPY"
-	dvtm_input 'i'
+	sh_cmd "cat <<'EOF' > $COPY"
 	dvtm_cmd 'p'
-	dvtm_input "dd:wq\n"
+	sh_cmd 'EOF'
 	while [ ! -r "$COPY" ]; do sleep 1; done;
 	dvtm_input "exit\n"
 	diff -u "$FILENAME" "$COPY" 1>&2