tests: Allow tests to depend on other source files from phosh as well

tests/meson.build

@@ -21,25 +21,27 @@ test_link_args = [
   '-fPIC',
 ]
 
-test_stubs = [
+# Deps for all tests
+test_deps = [
   'phoshstub.c',
   wl_proto_sources,
 ]
 
-cls_names = [
-  'favorites',
+tests = [
+  ['favorites', [ '@0@/src/app.c'.format(meson.source_root())]]
 ]
 
-foreach cls_name : cls_names
-  t = executable('test-@0@'.format(cls_name),
-		 ['test-@0@.c'.format(cls_name),
-		  '../src/@0@.c'.format(cls_name),
-		  test_stubs],
+foreach test : tests
+  t = executable('test-@0@'.format(test[0]),
+		 ['test-@0@.c'.format(test[0]),
+		  '@0@/src/@1@.c'.format(meson.source_root(), test[0]),
+		  test[1],
+		  test_deps],
 		 c_args: test_cflags,
 		 link_args: test_link_args,
 		 dependencies: phosh_deps,
 		)
-  test(cls_name, t, env: test_env)
+  test(test[0], t, env: test_env)
 endforeach
 
 endif