diff --git a/tests/utils/test_is_valid_solana_address.rs b/tests/utils/test_is_valid_solana_address.rs
index 5bb9d8d..6846f85 100644
--- a/tests/utils/test_is_valid_solana_address.rs
+++ b/tests/utils/test_is_valid_solana_address.rs
@@ -1,23 +1,37 @@
 use helius_sdk::utils::is_valid_solana_address;
 
-#[cfg(test)]
-mod tests {
-    use super::*;
+#[test]
+fn test_valid_addresses() {
+    let valid_addresses: [&str; 3] = [
+        "DezXAZ8z7PnrnRJjz3wXBoRgixCa6xjnB7YaB1pPB263",
+        "9AhKqLR67hwapvG8SA2JFXaCshXc9nALJjpKaHZrsbkw",
+        "TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA",
+    ];
 
-    #[test]
-    fn test_valid_addresses() {
-        let valid_addresses = [
-            "DezXAZ8z7PnrnRJjz3wXBoRgixCa6xjnB7YaB1pPB263",
-            "9AhKqLR67hwapvG8SA2JFXaCshXc9nALJjpKaHZrsbkw",
-            "TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA",
-        ];
+    for addr in valid_addresses.iter() {
+        assert!(
+            is_valid_solana_address(addr),
+            "Address {} is a valid Solana address",
+            addr
+        );
+    }
+}
+
+#[test]
+fn test_invalid_addresses() {
+    let invalid_addresses: [&str; 5] = [
+        "DefinitelyNotASolanaAddress",
+        "12345",
+        "",
+        "TooShort",
+        "12345678901234567890123456789012345678901234",
+    ];
 
-        for addr in valid_addresses.iter() {
-            assert!(
-                is_valid_solana_address(addr),
-                "Address {} is a valid Solana address",
-                addr
-            );
-        }
+    for addr in invalid_addresses.iter() {
+        assert!(
+            !is_valid_solana_address(addr),
+            "Address {} is not a valid Solana address",
+            addr
+        );
     }
 }