rust: tests: do not import bindings::*

Similar to the devices, spell the exact set of C functions that are
called directly.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

rust/qemu-api/tests/tests.rs

@@ -8,13 +8,14 @@ use std::{
 };
 
 use qemu_api::{
-    bindings::*,
+    bindings::{module_call_init, module_init_type, object_new, object_unref, qdev_prop_bool},
     c_str,
     cell::{self, BqlCell},
     declare_properties, define_property,
     prelude::*,
     qdev::{DeviceClass, DeviceImpl, DeviceState, Property, ResettablePhasesImpl},
     qom::{ClassInitImpl, ObjectImpl, ParentField},
+    sysbus::SysBusDevice,
     vmstate::VMStateDescription,
     zeroable::Zeroable,
 };