Update testfile and fix empty warning in show-expected-fail-tests.sh (matrix-org#729)

This PR adds the test that matrix-org/sytest#642 will allow to pass to testfile and also contains a minor fix for show-expected-fail-tests.sh so it doesn't show an empty warning.

Signed-off-by: Alex Chen [email protected]

Author: Cnly

show-expected-fail-tests.sh

@@ -22,6 +22,7 @@ tests_to_add=""
 already_in_testfile=""
 
 while read -r test_id; do
+	[ "${test_id}" = "" ] && continue
 	grep "${test_id}" "${testfile}" > /dev/null 2>&1
 	if [ "$?" != "0" ]; then
 		tests_to_add="${tests_to_add}${test_id}\n"

testfile

@@ -142,3 +142,4 @@ Trying to get push rules with unknown rule_id fails with 404
 Events come down the correct room
 local user can join room with version 5
 User can invite local user to room with version 5
+Inbound federation can receive room-join requests