tests: add missing LineBreakTest.txt
Without this file one of the tests is always skipped:
/text/break/line: /usr/libexec/installed-tests/pango/LineBreakTest.txt not found. Skipping test.
Taken from the Unicode 12.0.0 release.
Without this file one of the tests is always skipped:
/text/break/line: /usr/libexec/installed-tests/pango/LineBreakTest.txt not found. Skipping test.
Taken from the Unicode 12.0.0 release.