derive: enable "full-syntax" for tests

hcpl · hcpl · commit 0f58c1c7fc6d · 2018-01-20T17:32:16.000+02:00
I couldn't find a way to use "full-syntax" only for `with_custom_values`
:(.
diff --git a/Cargo.toml b/Cargo.toml
@@ -22,6 +22,10 @@ compiletest_rs = "0.3.5"
 [dev-dependencies.num]
 version = "0.1"
 
+[dev-dependencies.num-derive]
+path = "."
+features = ["full-syntax"]
+
 [features]
 full-syntax = ["syn/full"]
 
