Add MT lambada multilingual testdata

tests/testdata/lambada_mt_de-v0-loglikelihood

+5ad125e1708499832b2cee8c3388f89f9c0277010fd96fbd3359039ce8105984
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tests/testdata/lambada_mt_de-v0-res.json

+{"results": {"lambada_mt_de": {"acc": 0.0, "acc_stderr": 0.0, "ppl": 1.6479047769869253, "ppl_stderr": 0.006497321146240192}}, "versions": {"lambada_mt_de": 0}}
\ No newline at end of file

tests/testdata/lambada_mt_en-v0-loglikelihood

+6829e6a8aa5922e6c92dd31403cc060f242dc0ede4a775e085a70da095ab2e20
\ No newline at end of file

tests/testdata/lambada_mt_en-v0-res.json

+{"results": {"lambada_mt_en": {"acc": 0.0, "acc_stderr": 0.0, "ppl": 1.6479047769869253, "ppl_stderr": 0.006497321146240192}}, "versions": {"lambada_mt_en": 0}}
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tests/testdata/lambada_mt_es-v0-loglikelihood

+4a88f4b316c72fe0396c382d6cbb33568ac4d0ad225150d3536635c085359fc9
\ No newline at end of file

tests/testdata/lambada_mt_es-v0-res.json

+{"results": {"lambada_mt_es": {"acc": 0.0, "acc_stderr": 0.0, "ppl": 1.6479047769869253, "ppl_stderr": 0.006497321146240192}}, "versions": {"lambada_mt_es": 0}}
\ No newline at end of file

tests/testdata/lambada_mt_fr-v0-loglikelihood

+5d16f4a0c51dc6d7b6df2ebeba2bbfa51e700b843779b559b3d90183d7b02a11
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tests/testdata/lambada_mt_fr-v0-res.json

+{"results": {"lambada_mt_fr": {"acc": 0.0, "acc_stderr": 0.0, "ppl": 1.6479047769869253, "ppl_stderr": 0.006497321146240192}}, "versions": {"lambada_mt_fr": 0}}
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tests/testdata/lambada_mt_it-v0-loglikelihood

+fd87c6c5cf4e0499c5f9f80e5bd7ee6a4f3d2991902a0cc3ec9e6eaf22d6760a
\ No newline at end of file

tests/testdata/lambada_mt_it-v0-res.json

+{"results": {"lambada_mt_it": {"acc": 0.0, "acc_stderr": 0.0, "ppl": 1.6479047769869253, "ppl_stderr": 0.006497321146240192}}, "versions": {"lambada_mt_it": 0}}
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