Add a proc_macro_test crate

This exports all 3 kinds of proc macros and is useful for testing

1 files changed, 3 insertions, 1 deletions

diff --git a/crates/proc_macro_srv/Cargo.toml b/crates/proc_macro_srv/Cargo.toml
index 7171f0808..a468b5560 100644
--- a/crates/proc_macro_srv/Cargo.toml
+++ b/crates/proc_macro_srv/Cargo.toml
@@ -21,7 +21,9 @@ test_utils = { path = "../test_utils" }
 [dev-dependencies]
 cargo_metadata = "0.11.1"
 difference = "2.0.0"
-# used as proc macro test target
+
+# used as proc macro test targets
 serde_derive = "1.0.106"
+proc_macro_test = { path = "../proc_macro_test" }
 
 toolchain = { path = "../toolchain" }