Remove the current voice tests.

These tests are limited in scope and should really be part of a
more comprehensive API tests.

Makefile.am

@@ -245,12 +245,6 @@ tests_readclause_test_CFLAGS  = -Isrc/libespeak-ng ${AM_CFLAGS}
 tests_readclause_test_LDADD   = src/libespeak-ng-test.la
 tests_readclause_test_SOURCES = tests/readclause.c
 
-noinst_bin_PROGRAMS += tests/voices.test
-
-tests_voices_test_LDADD   = src/libespeak-ng-test.la
-tests_voices_test_CFLAGS  = -Isrc/libespeak-ng ${AM_CFLAGS}
-tests_voices_test_SOURCES = tests/voices.c
-
 %.check: %.test
 	@echo "  TEST      $<"
 	@ESPEAK_DATA_PATH=$(PWD) $< && echo "  PASSED    $<"
@@ -258,7 +252,6 @@ tests_voices_test_SOURCES = tests/voices.c
 check:	tests/encoding.check \
 	tests/tokenizer.check \
 	tests/readclause.check \
-	tests/voices.check \
 	tests/languages.check
 
 ##### phoneme data:

tests/voices.c

@@ -1,53 +0,0 @@
-/*
- * Copyright (C) 2017 Reece H. Dunn
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write see:
- *             <http://www.gnu.org/licenses/>.
- */
-
-#include "config.h"
-
-#include <assert.h>
-#include <stdint.h>
-#include <stdlib.h>
-#include <stdio.h>
-
-#include <espeak-ng/espeak_ng.h>
-#include <espeak-ng/speak_lib.h>
-
-void
-test_selection_by_name()
-{
-	printf("testing selection of voice by name\n");
-
-	assert(espeak_SetVoiceByName("de") == EE_OK);
-
-	assert(espeak_SetVoiceByName("und") == EE_NOT_FOUND);
-
-	assert(espeak_ng_SetVoiceByName("de") == ENS_OK);
-
-	assert(espeak_ng_SetVoiceByName("und") == ENS_VOICE_NOT_FOUND);
-}
-
-int
-main(int argc, char **argv)
-{
-	assert(espeak_Initialize(AUDIO_OUTPUT_SYNCHRONOUS, 0, NULL, espeakINITIALIZE_DONT_EXIT) == 22050);
-
-	test_selection_by_name();
-
-	assert(espeak_Terminate() == EE_OK);
-
-	return EXIT_SUCCESS;
-}