Fix SszStatic tests for PeerDAS: exclude eip7594 test vectors when testing Electra types.

testing/ef_tests/src/handler.rs

@@ -343,7 +343,19 @@ where
     }
 
     fn is_enabled_for_feature(&self, feature_name: FeatureName) -> bool {
+        // This ensures we only run the tests **once** for `Eip7594`, using the types matching the
+        // correct fork, e.g. `Eip7594` uses SSZ types from `Deneb` as of spec test version
+        // `v1.5.0-alpha.8`, therefore the `Eip7594` tests should get included when testing Deneb types.
+        //
+        // e.g. Eip7594 test vectors are executed in the first line below, but excluded in the 2nd
+        // line when testing the type `AttestationElectra`:
+        //
+        // ```
+        // SszStaticHandler::<AttestationBase<MainnetEthSpec>, MainnetEthSpec>::pre_electra().run();
+        // SszStaticHandler::<AttestationElectra<MainnetEthSpec>, MainnetEthSpec>::electra_only().run();
+        // ```
         feature_name == FeatureName::Eip7594
+            && self.supported_forks.contains(&feature_name.fork_name())
     }
 }