cli: enforce rent-exemption balance for stake, vote and program accounts in cli (#6118)

* require minimum balance for stake, vote and program accounts

core/src/validator.rs

@@ -583,6 +583,9 @@ pub fn new_validator_for_tests() -> (Validator, ContactInfo, Keypair, PathBuf) {
         .native_instruction_processors
         .push(solana_budget_program!());
 
+    genesis_block.rent_calculator.lamports_per_byte_year = 1;
+    genesis_block.rent_calculator.exemption_threshold = 1.0;
+
     let (ledger_path, _blockhash) = create_new_tmp_ledger!(&genesis_block);
 
     let voting_keypair = Arc::new(Keypair::new());