[text-justify-tests] Compat test files for text-justify: auto

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rename : css-text/text-justify-tests/Japanese default behavior.html => css-text/text-justify-tests/Japanese-default-behavior.html
rename : css-text/text-justify-tests/Korean default behavior.html => css-text/text-justify-tests/Korean-default-behavior.html
rename : css-text/text-justify-tests/untagged default behavior.html => css-text/text-justify-tests/untagged-default-behavior.html
rename : css-text/text-justify-tests/untagged inter-ideographic behavior.html => css-text/text-justify-tests/untagged-inter-ideographic-behavior.html