Test drivers: rename import call source to driver location

Signed-off-by: Andrzej Kurek <andrzej.kurek@arm.com>
diff --git a/tests/include/test/drivers/key_management.h b/tests/include/test/drivers/key_management.h
index 38298ae..c8dfbb3 100644
--- a/tests/include/test/drivers/key_management.h
+++ b/tests/include/test/drivers/key_management.h
@@ -42,8 +42,8 @@
     /* Count the amount of times one of the key management driver functions
      * is called. */
     unsigned long hits;
-    /* Record the source of the function call. */
-    psa_key_location_t source;
+    /* Location of the last key management driver called to import a key. */
+    psa_key_location_t location;
 } mbedtls_test_driver_key_management_hooks_t;
 
 /* The location is initialized to the invalid value 0x800000. Invalid in the
diff --git a/tests/src/drivers/test_driver_key_management.c b/tests/src/drivers/test_driver_key_management.c
index f7c5578..5b3bab6 100644
--- a/tests/src/drivers/test_driver_key_management.c
+++ b/tests/src/drivers/test_driver_key_management.c
@@ -170,7 +170,7 @@
     size_t *bits)
 {
     ++mbedtls_test_driver_key_management_hooks.hits;
-    mbedtls_test_driver_key_management_hooks.source = PSA_KEY_LOCATION_LOCAL_STORAGE;
+    mbedtls_test_driver_key_management_hooks.location = PSA_KEY_LOCATION_LOCAL_STORAGE;
 
     if( mbedtls_test_driver_key_management_hooks.forced_status != PSA_SUCCESS )
         return( mbedtls_test_driver_key_management_hooks.forced_status );
diff --git a/tests/suites/test_suite_psa_crypto_driver_wrappers.function b/tests/suites/test_suite_psa_crypto_driver_wrappers.function
index 5e2c3e4..2c229b3 100644
--- a/tests/suites/test_suite_psa_crypto_driver_wrappers.function
+++ b/tests/suites/test_suite_psa_crypto_driver_wrappers.function
@@ -348,7 +348,7 @@
     actual_status = psa_import_key( &attributes, key_input->x, key_input->len, &key );
     TEST_EQUAL( mbedtls_test_driver_key_management_hooks.hits, 1 );
     TEST_EQUAL( actual_status, expected_status );
-    TEST_EQUAL( mbedtls_test_driver_key_management_hooks.source, location );
+    TEST_EQUAL( mbedtls_test_driver_key_management_hooks.location, location );
 exit:
     psa_reset_key_attributes( &attributes );
     psa_destroy_key( key );