Fix serde test features

Signed-off-by: William Brown <william.brown@suse.com>

Author: Firstyear

tss-esapi/tests/integration_tests/common/mod.rs

@@ -34,12 +34,14 @@ use tss_esapi::{
 };
 
 mod marshall;
+#[cfg(feature = "serde")]
 mod serde;
 mod tpm2b_types_equality_checks;
 mod tpma_types_equality_checks;
 mod tpml_types_equality_checks;
 mod tpms_types_equality_checks;
 mod tpmt_types_equality_checks;
+#[cfg(feature = "serde")]
 pub use self::serde::*;
 pub use marshall::*;
 pub use tpm2b_types_equality_checks::*;

tss-esapi/tests/integration_tests/structures_tests/buffers_tests/private.rs

@@ -12,6 +12,7 @@ fn marshall_unmarshall() {
 }
 
 #[test]
+#[cfg(feature = "serde")]
 fn serialise_deserialise() {
     crate::common::check_serialise_deserialise(&Private::default());
     let private = Private::try_from([0xff; 100].to_vec()).unwrap();

tss-esapi/tests/integration_tests/structures_tests/tagged_tests/public.rs

@@ -15,6 +15,7 @@ fn marshall_unmarshall() {
 }
 
 #[test]
+#[cfg(feature = "serde")]
 fn serialise_deserialise() {
     crate::common::publics()
         .iter()