tests: fix arrow.TestInsert_invalid

The handling of incorrect Arrow data changed in Tarantool [1], need to
update the test.

[1]: tarantool/tarantool#12482

Author: Gumix

arrow/tarantool_test.go

@@ -37,14 +37,6 @@ func TestInsert_invalid(t *testing.T) {
 		arrow    string
 		expected []iproto.Error
 	}{
-		{
-			"",
-			[]iproto.Error{iproto.ER_INVALID_MSGPACK},
-		},
-		{
-			"00",
-			[]iproto.Error{iproto.ER_INVALID_MSGPACK},
-		},
 		{
 			"ffffffff70000000040000009effffff0400010004000000" +
 				"b6ffffff0c00000004000000000000000100000004000000daffffff140000000202" +