fix typo, fix integration tests

zokrates_cli/tests/integration.rs

@@ -214,7 +214,8 @@ mod integration {
         #[cfg(feature = "libsnark")]
         let backends = map! {
             "bellman" => ["g16"],
-            "libsnark" => ["gm17", "pghr13"]
+            "libsnark" => ["pghr13"],
+            "ark" => ["gm17"]
         };
 
         #[cfg(not(feature = "libsnark"))]

zokrates_field/src/bls12_381.rs

@@ -5,5 +5,5 @@ prime_field!(
 
 #[cfg(feature = "bellman")]
 use bellman_ce::pairing::bls12_381::{Bls12, Fq2};
-#[cfg(feature = "ark")]
+#[cfg(feature = "bellman")]
 bellman_extensions!(Bls12, Fq2);