diff --git a/test-data/spreadsheet/SampleSS.strict.xlsx b/test-data/spreadsheet/SampleSS.strict.xlsx new file mode 100644 index 0000000000..6bf19368e4 Binary files /dev/null and b/test-data/spreadsheet/SampleSS.strict.xlsx differ diff --git a/test-data/spreadsheet/SimpleNormal.xlsx b/test-data/spreadsheet/SimpleNormal.xlsx new file mode 100644 index 0000000000..35378c7248 Binary files /dev/null and b/test-data/spreadsheet/SimpleNormal.xlsx differ diff --git a/test-data/spreadsheet/SimpleStrict.xlsx b/test-data/spreadsheet/SimpleStrict.xlsx new file mode 100644 index 0000000000..7ed3e45d2b Binary files /dev/null and b/test-data/spreadsheet/SimpleStrict.xlsx differ diff --git a/test-data/spreadsheet/sample.strict.xlsx b/test-data/spreadsheet/sample.strict.xlsx new file mode 100644 index 0000000000..9c6c8f15d5 Binary files /dev/null and b/test-data/spreadsheet/sample.strict.xlsx differ