build: run test/ directory first

R=adg, r
CC=golang-dev
https://golang.org/cl/4183047

doc/install.html

@@ -153,8 +153,7 @@ If all goes well, it will finish by printing output like:
 </p>
 
 <pre>
---- cd ../test
-N known bugs; 0 unexpected bugs
+ALL TESTS PASSED
 
 ---
 Installed Go for linux/amd64 in /home/you/go.

src/run.bash

@@ -30,26 +30,17 @@ xcd() {
 	builtin cd "$GOROOT"/src/$1
 }
 
-maketest() {
-	for i
-	do
-		(
-			xcd $i
 if $rebuild; then
+	(xcd pkg
 		gomake clean
 		time gomake
 		gomake install
+	) || exit $i
 fi
+
+(xcd pkg
 gomake test
 ) || exit $?
-	done
-}
-
-maketest \
-	pkg \
-
-# all of these are subtly different
-# from what maketest does.
 
 (xcd pkg/sync;
 if $rebuild; then
@@ -126,3 +117,5 @@ done
 ./run
 ) || exit $?
 
+echo
+echo ALL TESTS PASSED