Updated to comply with new clippy formatting rules (#2336)

## Issue Addressed

The latest version of Rust has new clippy rules & the codebase isn't up to date with them.

## Proposed Changes

Small formatting changes that clippy tells me are functionally equivalent

testing/eth1_test_rig/src/ganache.rs

@@ -62,8 +62,8 @@ impl GanacheInstance {
         child.stdout = Some(reader.into_inner());
 
         Ok(Self {
-            child,
             port,
+            child,
             web3,
             network_id,
             chain_id,

testing/eth1_test_rig/src/lib.rs

@@ -104,7 +104,7 @@ impl DepositContract {
         })?;
         Contract::from_json(web3.clone().eth(), address, ABI)
             .map_err(|e| format!("Failed to init contract: {:?}", e))
-            .map(move |contract| Self { contract, web3 })
+            .map(move |contract| Self { web3, contract })
     }
 
     /// The deposit contract's address in `0x00ab...` format.

testing/state_transition_vectors/src/exit.rs

@@ -83,8 +83,8 @@ impl ExitTest {
 
         TestVector {
             title,
-            block,
             pre_state,
+            block,
             post_state,
             error,
         }