Ignore enum_variant_names Clippy lint in test suite

    error: all variants have the same prefix: `Serialize`
        --> test_suite/tests/test_macros.rs:1741:5
         |
    1741 | /     enum E {
    1742 | |         #[serde(rename_all = "camelCase")]
    1743 | |         Serialize {
    1744 | |             serialize: bool,
    ...    |
    1756 | |         },
    1757 | |     }
         | |_____^
         |
         = note: `-D clippy::enum-variant-names` implied by `-D clippy::all`
         = help: remove the prefixes and use full paths to the variants instead of glob imports
         = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#enum_variant_names

Author: dtolnay

test_suite/tests/test_macros.rs

@@ -1,5 +1,5 @@
 #![deny(trivial_numeric_casts)]
-#![allow(clippy::redundant_field_names)]
+#![allow(clippy::enum_variant_names, clippy::redundant_field_names)]
 
 mod bytes;