Correctly compile tests if build without writer (on Windows)

test/meson.build

@@ -1,12 +1,20 @@
 gtest_dep = dependency('gtest', main:true, fallback:['gtest', 'gtest_main_dep'], required:false)
 
+
+test_deps = [gtest_dep, libzim_dep, icu_dep]
 tests = [
     'metadata-test',
-    'tools-test',
-    'zimwriterfs-zimcreatorfs',
     'zimcheck-test'
 ]
 
+if with_writer
+  tests += [
+      'tools-test',
+      'zimwriterfs-zimcreatorfs'
+  ]
+  test_deps += [gumbo_dep, magic_dep, zlib_dep]
+endif
+
 zimwriter_srcs = [  '../src/zimwriterfs/tools.cpp',
                     '../src/zimwriterfs/zimcreatorfs.cpp',
                     '../src/tools.cpp']
@@ -21,7 +29,7 @@ if gtest_dep.found() and not meson.is_cross_build()
     foreach test_name : tests
 
         test_exe = executable(test_name, [test_name+'.cpp'] + tests_src_map[test_name],
-                              dependencies : [gtest_dep, libzim_dep, gumbo_dep, magic_dep, zlib_dep, icu_dep],
+                              dependencies : test_deps,
                               include_directories: inc,
                               build_rpath : '$ORIGIN')