Fix mysql::tests::raw_statements to actually test use_prepared_statements:false (#34438)

GitOrigin-RevId: a2f4262c578b2b054ee036fa30cabdda82370048

Author: goffrie

Diff for: crates/mysql/src/tests.rs

@@ -97,7 +97,7 @@ mod raw_statements {
             MySqlOptions {
                 allow_read_only: false,
                 version: PersistenceVersion::V5,
-                use_prepared_statements: true,
+                use_prepared_statements: false,
             },
             ShutdownSignal::panic()
         )
@@ -112,7 +112,7 @@ mod raw_statements {
             MySqlOptions {
                 allow_read_only: true,
                 version: PersistenceVersion::V5,
-                use_prepared_statements: true,
+                use_prepared_statements: false,
             },
             ShutdownSignal::panic(),
         )