t9000-t9999: fix broken &&-chains

Signed-off-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/t/t9001-send-email.sh b/t/t9001-send-email.sh
index 776769f..53314ff 100755
--- a/t/t9001-send-email.sh
+++ b/t/t9001-send-email.sh
@@ -330,7 +330,7 @@
 
 test_expect_success $PREREQ 'Prompting works' '
 	clean_fake_sendmail &&
-	(echo "to@example.com"
+	(echo "to@example.com" &&
 	 echo ""
 	) | GIT_SEND_EMAIL_NOTTY=1 git send-email \
 		--smtp-server="$(pwd)/fake.sendmail" \
@@ -470,8 +470,8 @@
 
 test_expect_success $PREREQ 'Valid In-Reply-To when prompting' '
 	clean_fake_sendmail &&
-	(echo "From Example <from@example.com>"
-	 echo "To Example <to@example.com>"
+	(echo "From Example <from@example.com>" &&
+	 echo "To Example <to@example.com>" &&
 	 echo ""
 	) | GIT_SEND_EMAIL_NOTTY=1 git send-email \
 		--smtp-server="$(pwd)/fake.sendmail" \