test/meson.build: add section for filter tests

test/meson.build

@@ -21,16 +21,6 @@ gtest_dep = declare_dependency(
 subdir('net')
 
 executable(
-  'ParseSongFilter',
-  'ParseSongFilter.cxx',
-  include_directories: inc,
-  dependencies: [
-    song_dep,
-    pcm_dep,
-  ],
-)
-
-executable(
   'read_conf',
   'read_conf.cxx',
   '../src/Log.cxx',
@@ -212,6 +202,20 @@ if zlib_dep.found()
 endif
 
 #
+# Filter
+#
+
+executable(
+  'ParseSongFilter',
+  'ParseSongFilter.cxx',
+  include_directories: inc,
+  dependencies: [
+    song_dep,
+    pcm_dep,
+  ],
+)
+
+#
 # Neighbor
 #