chore(avm): update comments

yarn-project/simulator/src/public/avm_executor.test.ts

@@ -43,8 +43,10 @@ describe('AVM WitGen and Proof Generation', () => {
 
     const functionData = FunctionData.fromAbi(addArtifact);
     const args: Fr[] = [new Fr(99), new Fr(12)];
+    // We call initContext here to load up a AvmExecutionEnvironment that prepends the calldata with the function selector 
+    // and the args hash. In reality, we should simulate here and get this from the output of the simulation call.
+    // For now, the interfaces for the PublicExecutor don't quite line up, so we are doing this.
     const context = initContext({ env: initExecutionEnvironment({ calldata: args }) });
-
     const execution: PublicExecution = { contractAddress, functionData, args: context.environment.calldata, callContext };
     const executor = new PublicExecutor(publicState, publicContracts, commitmentsDb, header);
     const [proof, vk] = await executor.getAvmProof(execution);