tests: rename client_create to create_client_and_test_surface

A more descriptive name to not be confused with create_client().

v2: Rebased: fix also devices-test.c.

Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>
Reviewed-by: Marek Chalupa <mchqwerty@gmail.com>
diff --git a/tests/keyboard-test.c b/tests/keyboard-test.c
index 10ffc60..982a231 100644
--- a/tests/keyboard-test.c
+++ b/tests/keyboard-test.c
@@ -32,7 +32,7 @@
 	uint32_t expect_key = 0;
 	uint32_t expect_state = 0;
 
-	client = client_create(10, 10, 1, 1);
+	client = create_client_and_test_surface(10, 10, 1, 1);
 	assert(client);
 
 	keyboard = client->input->keyboard;