Run test_translate_ciphers_format.sh from root

Signed-off-by: Joe Subbiani <joe.subbiani@arm.com>
diff --git a/tests/scripts/test_translate_ciphers_format.sh b/tests/scripts/test_translate_ciphers_format.sh
index 97a6c23..6f1bdd0 100755
--- a/tests/scripts/test_translate_ciphers_format.sh
+++ b/tests/scripts/test_translate_ciphers_format.sh
@@ -29,6 +29,11 @@
 # This files main purpose is to ensure translate_ciphers.py can take strings
 # in the expected format and return them in the format compat.sh will expect.
 
+if cd $( dirname $0 ); then :; else
+    echo "cd $( dirname $0 ) failed" >&2
+    exit 1
+fi
+
 # Ciphers that will use translate_ciphers.py
 M_CIPHERS=""
 O_CIPHERS=""