cargo fix on server

server/tests/tables_data/put/put_table_data_test2.rs

@@ -5,7 +5,7 @@
 // ========================================================================
 
 // Additional imports needed for these tests
-use chrono::{DateTime, Utc};
+use chrono::Utc;
 use rust_decimal::Decimal;
 use std::str::FromStr;
 

server/tests/tables_data/put/put_table_data_test5.rs

@@ -8,7 +8,7 @@
 // This is needed for the database error test.
 #[fixture]
 async fn closed_test_context() -> TestContext {
-    let mut context = test_context().await;
+    let context = test_context().await;
     context.pool.close().await;
     context
 }