Reduce INITIAL_ADDRESS_IMPORT_COUNT for tests

Greatly speeds up test_standard_coin_swap()

src/wallet_sync.rs

@@ -55,10 +55,14 @@ use crate::error::Error;
 
 //TODO this goes in the config file
 pub const NETWORK: Network = Network::Regtest; //not configurable for now
-const INITIAL_ADDRESS_IMPORT_COUNT: usize = 5000;
 const DERIVATION_PATH: &str = "m/84'/1'/0'";
 const WALLET_FILE_VERSION: u32 = 0;
 
+#[cfg(not(test))]
+const INITIAL_ADDRESS_IMPORT_COUNT: usize = 5000;
+#[cfg(test)]
+const INITIAL_ADDRESS_IMPORT_COUNT: usize = 6;
+
 //TODO the wallet file format is probably best handled with sqlite
 
 #[derive(serde::Serialize, serde::Deserialize)]