rename TLS 1.3 ciphers when using LibreSSL

Author: drwetter

t/61_diff_testsslsh.t

@@ -50,6 +50,12 @@ $baseline_csv =~ s/HTTP_headerTime.*\n//g;
 $cat_csv      =~ s/censys.io.*\n//g;
 $baseline_csv =~ s/censys.io.*\n//g;
 
+# MacOS / LibreSSL has different OpenSSL names for TLS 1.3 ciphers. That should be rather solved in
+#       testssl.sh, see #2763. But for now we do this here.
+$cat_csv      =~ s/AEAD-AES128-GCM-SHA256/TLS_AES_128_GCM_SHA256/g;
+$cat_csv      =~ s/AEAD-AES256-GCM-SHA384/TLS_AES_256_GCM_SHA384/g;
+$cat_csv      =~ s/AEAD-CHACHA20-POLY1305-SHA256/TLS_CHACHA20_POLY1305_SHA256/g;
+
 # this could contain the openssl path
 $cat_csv      =~ s/"engine_problem.*\n//g;
 $baseline_csv =~ s/"engine_problem.*\n//g;