test: Rename 't' to 'test' in meson.build

The 't' name is very short and not very explicit. Rename it to 'test'
instead.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Umang Jain <umang.jain@ideasonboard.com>

test/stream/meson.build

@@ -5,10 +5,10 @@ stream_tests = [
     ['stream_formats',  'stream_formats.cpp'],
 ]
 
-foreach t : stream_tests
-    exe = executable(t[0], t[1],
+foreach test : stream_tests
+    exe = executable(test[0], test[1],
                      dependencies : libcamera_public,
                      link_with : test_libraries,
                      include_directories : test_includes_internal)
-    test(t[0], exe, suite: 'stream')
+    test(test[0], exe, suite: 'stream')
 endforeach