dbaccess: fix Tdf119625Test with read-only $SRCDIR

The buildLowLevelConnection() will try to modify the read-only storage
and throw IOException.

Change-Id: I9b8ec840bebcac3c8a69bc6921d32e692d9d9e86
Reviewed-on: https://gerrit.libreoffice.org/67027
Tested-by: Jenkins
Reviewed-by: Michael Stahl <Michael.Stahl@cib.de>

dbaccess/qa/unit/hsql_binary_import.cxx

@@ -45,8 +45,9 @@ void HsqlBinaryImportTest::setUp()
 
 void HsqlBinaryImportTest::testBinaryImport()
 {
-    uno::Reference<XOfficeDatabaseDocument> xDocument
-        = getDocumentForFileName("hsqldb_migration_test.odb");
+    // the migration requires the file to be writable
+    utl::TempFile const temp(createTempCopy("hsqldb_migration_test.odb"));
+    uno::Reference<XOfficeDatabaseDocument> const xDocument = getDocumentForUrl(temp.GetURL());
 
     uno::Reference<XConnection> xConnection = getConnectionForDocument(xDocument);
     // at this point migration is already done

dbaccess/qa/unit/tdf119625.cxx

@@ -63,7 +63,9 @@ static const expect_t expect[]
 
 void Tdf119625Test::testTime()
 {
-    uno::Reference<XOfficeDatabaseDocument> xDocument = getDocumentForFileName("tdf119625.odb");
+    // the migration requires the file to be writable
+    utl::TempFile const temp(createTempCopy("tdf119625.odb"));
+    uno::Reference<XOfficeDatabaseDocument> const xDocument = getDocumentForUrl(temp.GetURL());
 
     uno::Reference<XConnection> xConnection = getConnectionForDocument(xDocument);
     // at this point migration is already done