test: Rename test_get_state() to ut_get_state()

Rename this function and test_set_state() so use the same ut_ prefix as
other functions in ut.h

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/include/test/ut.h b/include/test/ut.h
index c8838da..2e4d8ed 100644
--- a/include/test/ut.h
+++ b/include/test/ut.h
@@ -466,18 +466,18 @@
 void ut_set_skip_delays(struct unit_test_state *uts, bool skip_delays);
 
 /**
- * test_get_state() - Get the active test state
+ * ut_state_get() - Get the active test state
  *
  * Return: the currently active test state, or NULL if none
  */
-struct unit_test_state *test_get_state(void);
+struct unit_test_state *ut_get_state(void);
 
 /**
- * test_set_state() - Set the active test state
+ * ut_set_state() - Set the active test state
  *
  * @uts: Test state to use as currently active test state, or NULL if none
  */
-void test_set_state(struct unit_test_state *uts);
+void ut_set_state(struct unit_test_state *uts);
 
 /**
  * ut_run_tests() - Run a set of tests