tests: fix and re-enable shell tests

tests/CMakeLists.txt

 
 if (SHELL AND UNIX)
 
-# shell_test(bom)
-# shell_test(non-executable-files-with-executable-bit)
+shell_test(bom)
+shell_test(non-executable-files-with-executable-bit)
 
 shell_test(cmd_options)
 shell_test(dictionary)
 shell_test(language-numbers-cardinal)
 shell_test(language-numbers-ordinal)
-# shell_test(language-phonemes)
+shell_test(language-phonemes)
 shell_test(language-pronunciation)
 shell_test(language-replace)
 shell_test(ssml)

tests/bom.test

 # TODO checking for other encodings (e.g. UTF-16, UTF-32, UTF-7) needs more elaborate search,
 # otherwise it shows many false positives
 
-grep -ErlI $'\xEF\xBB\xBF' * | tee tests/bom.check >/dev/null # UTF-8
+cd $(dirname $0)/..
+grep -ErlI $'\xEF\xBB\xBF' * | grep -v '^build/' | tee tests/bom.check >/dev/null # UTF-8
 
 if [ -s tests/bom.check ] ; then
 	echo "found:"
 	echo "none found"
 	true
 fi
-

tests/language-phonemes.test

 # read column 5 (File) of espeak-ng --voices, skip the directory
 echo "checking if all supported languages have phoneme tests ..."
 for lang in $(ESPEAK_DATA_PATH=`pwd` LD_LIBRARY_PATH=src:${LD_LIBRARY_PATH} src/espeak-ng --voices | awk '{print $5}' | cut -d "/" -f 2-2 | tail -n+2); 
-do if ! grep -q "test_phwav $lang" tests/language-phonemes.test
+do if ! grep -q "test_phwav $lang" $0
 then
 	echo "$lang missing a phoneme test in tests/language-phonemes.test";
 	exit 1;

tests/non-executable-files-with-executable-bit.test

 
 echo -n "testing files for executable bits that shouldn't be executable ... "
 
+cd $(dirname $0)/..
 find * -executable -type f | \
 	grep -vE "compile|config\.(guess|status|sub)|configure|depcomp|install-sh|libtool|missing" | # Ignore autotools output \
+	grep -vE "build" | # Ignore cmake output \
 	grep -vE ".*\.test|tests/common|src(/\.libs)?/(e?speak-ng|.*\.so\..*)|src/\.libs/lt-espeak-ng|android" | # Ignore built programs and libraries \
 	grep -vE ".*\.sh|tools/emoji" | # Ignore helper scripts \
 	grep -vE "src/ucd-tools/tools/(.*\.py|mkencodingtable)" | # Ignore ucd-tools helper scripts \
 	echo "none found"
 	true
 fi
-

tests/ssml.test

 	diff expected.txt actual.txt || exit 1
 }
 
-for i in `ls tests/ssml/*.ssml` ; do test_ssml $i; done
-for i in `ls tests/ssml/*.ssml2` ; do test_ssml $i punct; done
+for i in `dirname $0`/ssml/*.ssml ; do test_ssml $i; done
+for i in `dirname $0`/ssml/*.ssml2 ; do test_ssml $i punct; done
 
 test_ssml_audio "<prosody>" 88fccb35536158f25f4ae44a03fb005fef95c99b "<speak><prosody rate=\"x-slow\" pitch=\"low\"> Slow and low </prosody><prosody rate=\"x-fast\" pitch=\"x-high\"> Fast and high.</prosody></speak>"
 # #410 is a bug in SSML. Sentence termination causes prosody stack to misfunction.