tests: Depend on .plugin files to exist

When .plugin files are missing, the plugins will not be discoverable.
These were only getting built when run with `meson compile`,
but not for `meson test`.

Helps: https://gitlab.gnome.org/GNOME/calls/-/issues/719

Signed-off-by: Evangelos Ribeiro Tzaras <devrtz@fortysixandtwo.eu>
Part-of: <https://gitlab.gnome.org/GNOME/calls/-/merge_requests/798>

plugins/meson.build

@@ -1,4 +1,7 @@
 calls_provider_plugin_libdir = join_paths(full_calls_plugin_libdir, 'provider')
+
+plugins_test_depends = []
+
 subdir('provider/mm')
 subdir('provider/dummy')
 subdir('provider/ofono')

plugins/provider/dummy/meson.build

@@ -41,6 +41,7 @@ i18n_plugin = i18n.merge_file(
   install_dir: dummy_install_dir,
 )
 
+plugins_test_depends += [i18n_plugin]
 
 dummy_deps = [
   dependency('gobject-2.0'),

plugins/provider/mm/meson.build

@@ -39,6 +39,7 @@ i18n_plugin = i18n.merge_file(
   install_dir: mm_install_dir,
 )
 
+plugins_test_depends += [i18n_plugin]
 
 mm_deps = [
   dependency('gobject-2.0'),

plugins/provider/ofono/meson.build

@@ -41,6 +41,8 @@ i18n_plugin = i18n.merge_file(
   install_dir: ofono_install_dir,
 )
 
+plugins_test_depends += [i18n_plugin]
+
 ofono_deps = [
   dependency('gobject-2.0'),
   dependency('gtk4', version: '>= @0@'.format(gtk_version)),

plugins/provider/sip/meson.build

@@ -41,6 +41,7 @@ i18n_plugin = i18n.merge_file(
   install_dir: sip_install_dir,
 )
 
+plugins_test_depends += [i18n_plugin]
 
 sip_deps = [
   dependency('gobject-2.0'),

tests/meson.build

@@ -48,11 +48,15 @@ subdir('services')
 
 tests = [
   ['emergency-call-types', ['test-emergency-call-types.c']],
-  ['manager', ['test-manager.c'], {'extra_test_deps' : [calls_plugins]}],
+  [
+    'manager',
+    ['test-manager.c'],
+    {'extra_test_deps' : [calls_plugins, plugins_test_depends]},
+  ],
   [
     'plugins',
     ['test-plugins.c', calls_sources],
-    {'extra_test_deps' : [calls_plugins]},
+    {'extra_test_deps' : [calls_plugins, plugins_test_depends]},
   ],
   ['util', ['test-util.c']],
   ['ui-call', ['test-ui-call.c', 'mock-call.c']],