chore: apply suggestions from review

Co-authored-by: Marcin Rataj <lidel@lidel.org>

tests/t0118_gateway_car_test.go

@@ -18,9 +18,9 @@ func TestGatewayCarPathing(t *testing.T) {
 		{
 			Name: "GET default CAR response with pathing through UnixFS Directory",
 			Hint: `
-				CAR stream is not deterministic, as blocks can arrive in random order,
-				but if we have a small file that fits into a single block, and export its CID
-				we will get a CAR that is a deterministic array of bytes.
+				CAR stream of a UnixFS file within a path under UnixFS subdirectory should contain
+				all the blocks to traverse the path, as well as all the blocks behind
+				the last path segment (terminating entity returned recursively).
 			`,
 			Request: Request().
 				Path("/ipfs/{{cid}}/subdir/ascii.txt", subdirTwoSingleBlockFilesFixture.MustGetCid()).
@@ -40,7 +40,7 @@ func TestGatewayCarPathing(t *testing.T) {
 				),
 		},
 		{
-			Name: "GET default CAR response of UnixFS file on a path with sharded directory",
+			Name: "GET default CAR response of UnixFS file on a path with HAMT-sharded directory",
 			Hint: `
 				CAR stream of a UnixFS file within a path with sharded directory should contain
 				all the blocks to traverse the path, as well as all the blocks contained inside

tooling/helpers/car.go

@@ -25,7 +25,7 @@ func applyStandardCarResponseHeaders(t *testing.T, st test.SugarTest) test.Sugar
 		// 	Hint("CAR is streamed, gateway may not have the entire thing, unable to calculate total size").
 		// 	IsEmpty(),
 		test.Header("X-Content-Type-Options").
-			Hint("CAR is streamed, gateway may not have the entire thing, unable to calculate total size").
+			Hint("Content type sniffing should be explicitly disabled via nosniff header.").
 			Equals("nosniff"),
 		test.Header("Accept-Ranges").
 			Hint("CAR is streamed, gateway may not have the entire thing, unable to support range-requests. Partial downloads and resumes should be handled using IPLD selectors: https://github.com/ipfs/go-ipfs/issues/8769").