Catch @soloTest in addition to solo_test (#610)

diff --git a/tools/check_no_solo_tests.sh b/tools/check_no_solo_tests.sh
index 9f44370..0d0a389 100755
--- a/tools/check_no_solo_tests.sh
+++ b/tools/check_no_solo_tests.sh
@@ -4,7 +4,7 @@
 set -e
 
 # Look for solo_test in test/*, and catch the "fast fail" error when no results
-GREP_OUT=$(grep solo_test $PACKAGE/test -r || :)
+GREP_OUT=$(egrep 'solo(T|_t)est' $PACKAGE/test -r || :)
 if [[ ! -z "$GREP_OUT" ]]; then
   printf "$PACKAGE is skipping tests due to solo_test(s): \n$GREP_OUT\n"
   exit 1