writer.print("our content");
writer.close();
addEntryToBuilder("a.txt", file, newObjectInserter, builder, 2)
.getObjectId();
builder.commit();
assertEquals(
"[a.txt, mode:100644, stage:1, sha1:6b584e8ece562ebffc15d38808cd6b98fc3d97ea]" +
"[a.txt, mode:100644, stage:2, sha1:b9f89ff733bdaf49e02711535867bb821f9db55e]" +
"[a.txt, mode:100644, stage:3, sha1:4f41554f6e0045ef53848fc0c3f33b6a9abc24a9]" +