Add a test to check if #190 is resolved

Signed-off-by: rany <rany2@riseup.net>

tests/001-long-text.sh

@@ -0,0 +1,31 @@
+#!/usr/bin/env bash
+
+# test if prompt file exists
+if ! [[ -f "tests/001-long-text.txt" ]]
+then
+    echo "File not found!"
+    exit 1
+fi
+
+# spawn
+for i in {a..z}
+do
+    edge-tts -f tests/001-long-text.txt --write-media "tests/001-long-text_${i}.mp3" --write-subtitles "tests/001-long-text_${i}.srt" &
+done
+wait
+
+# set return code to 0
+ret=0
+
+# compare files to make sure all are the same
+for i in {b..z}
+do
+    cmp tests/001-long-text_a.mp3 "tests/001-long-text_${i}.mp3" || ret=1
+    cmp tests/001-long-text_a.srt "tests/001-long-text_${i}.srt" || ret=1
+done
+
+# clean up
+rm tests/001-long-text_*.mp3 tests/001-long-text_*.srt
+
+# exit with return code
+exit "${ret}"