tdf#155368: sc_subsequent_export: Add unittest

Change-Id: Ie177342720df50d160600cf133b87bdf3411203d
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/152114
Tested-by: Jenkins
Reviewed-by: Xisco Fauli <xiscofauli@libreoffice.org>

sc/qa/unit/subsequent_export_test.cxx

@@ -2217,6 +2217,27 @@ CPPUNIT_TEST_FIXTURE(ScExportTest, testCellBordersXLSX)
     testExcelCellBorders("Calc Office Open XML");
 }
 
+CPPUNIT_TEST_FIXTURE(ScExportTest, testTdf155368)
+{
+    createScDoc("ods/tdf155368.ods");
+
+    dispatchCommand(mxComponent, ".uno:SelectAll", {});
+
+    dispatchCommand(mxComponent, ".uno:WrapText", {});
+
+    save("Calc Office Open XML");
+
+    xmlDocUniquePtr pStyles = parseExport("xl/styles.xml");
+    CPPUNIT_ASSERT(pStyles);
+
+    assertXPath(pStyles, "/x:styleSheet/x:cellXfs/x:xf[1]/x:alignment", "wrapText", "false");
+
+    // Without the fix in place, this test would have failed with
+    // - Expected: false
+    // - Actual  : true
+    assertXPath(pStyles, "/x:styleSheet/x:cellXfs/x:xf[2]/x:alignment", "wrapText", "false");
+}
+
 CPPUNIT_PLUGIN_IMPLEMENT();
 
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