diff --git a/gio/tests/gdbus-object-manager-example/meson.build b/gio/tests/gdbus-object-manager-example/meson.build
index 90dcc1f93..6b27576e8 100644
--- a/gio/tests/gdbus-object-manager-example/meson.build
+++ b/gio/tests/gdbus-object-manager-example/meson.build
@@ -14,11 +14,12 @@ gdbus_example_objectmanager_generated = custom_target('gdbus-example-objectmanag
              '--generate-docbook', 'gdbus-example-objectmanager-generated',
              '@INPUT@'])
 
-libgdbus_example_objectmanager = library('libgdbus-example-objectmanager',
+libgdbus_example_objectmanager = library('gdbus-example-objectmanager',
     gdbus_example_objectmanager_generated,
     c_args : gio_c_args,
     dependencies : [libglib_dep, libgmodule_dep, libgobject_dep, libgio_dep],
-    install : false)
+    install : installed_tests_enabled,
+    install_dir : installed_tests_execdir)
 
 libgdbus_example_objectmanager_dep = declare_dependency(sources : gdbus_example_objectmanager_generated,
   link_with : libgdbus_example_objectmanager)
diff --git a/gio/tests/meson.build b/gio/tests/meson.build
index 99065040e..913da26a0 100644
--- a/gio/tests/meson.build
+++ b/gio/tests/meson.build
@@ -80,6 +80,7 @@ gio_tests = [{
 test_extra_programs = [{
   'gdbus-connection-flush-helper' : {},
   'gdbus-testserver' : {},
+  'gsubprocess-testprog' : {},
 }]
 
 test_env = environment()
@@ -254,9 +255,10 @@ if host_machine.system() != 'windows'
 
   # This test is currently unreliable
   executable('gdbus-overflow', 'gdbus-overflow.c',
-      install : false,
       c_args : test_c_args,
-      dependencies : common_gio_tests_deps)
+      dependencies : common_gio_tests_deps,
+      install_dir : installed_tests_execdir,
+      install : installed_tests_enabled)
 
   gio_tests += [{
     'gdbus-connection-flush' : {
@@ -318,7 +320,6 @@ test_extra_programs += [{
   'gdbus-example-subtree' : {'install' : false},
   'gdbus-example-watch-name' : {'install' : false},
   'gdbus-example-watch-proxy' : {'install' : false},
-  'gsubprocess-testprog' : {'install' : false},
   'httpd' : {'install' : false},
   'proxy' : {'install' : false},
   'resolver' : {'install' : false},
@@ -357,6 +358,25 @@ if host_machine.system() != 'windows'
   }]
 endif
 
+if installed_tests_enabled
+  install_data(
+    'contexts.c',
+    'g-icon.c',
+    'appinfo-test-actions.desktop',
+    'appinfo-test-gnome.desktop',
+    'appinfo-test-notgnome.desktop',
+    'appinfo-test.desktop',
+    'appinfo-test2.desktop',
+    'file.c',
+    'org.gtk.test.dbusappinfo.desktop',
+    install_dir : installed_tests_execdir,
+  )
+  install_subdir('x-content', install_dir : installed_tests_execdir)
+  install_subdir('desktop-files', install_dir : installed_tests_execdir)
+  install_subdir('thumbnails', install_dir : installed_tests_execdir)
+  install_subdir('cert-tests', install_dir : installed_tests_execdir)
+endif
+
 if not meson.is_cross_build() or meson.has_exe_wrapper()
 
   plugin_resources_c = custom_target('plugin-resources.c',
@@ -369,9 +389,12 @@ if not meson.is_cross_build() or meson.has_exe_wrapper()
                '--c-name', '_g_plugin',
                '@INPUT@'])
 
-  shared_module ('resourceplugin', 'resourceplugin.c', plugin_resources_c,
+  shared_module('resourceplugin', 'resourceplugin.c', plugin_resources_c,
     link_args : export_dynamic_ldflags,
-    dependencies : common_gio_tests_deps)
+    dependencies : common_gio_tests_deps,
+    install_dir : installed_tests_execdir,
+    install : installed_tests_enabled
+  )
 
   test_gresource = custom_target('test.gresource',
     input : 'test.gresource.xml',
@@ -380,7 +403,9 @@ if not meson.is_cross_build() or meson.has_exe_wrapper()
                '--target=@OUTPUT@',
                '--sourcedir=' + meson.current_source_dir(),
                '--sourcedir=' + meson.current_build_dir(),
-               '@INPUT@'])
+               '@INPUT@'],
+    install_dir : installed_tests_execdir,
+    install : installed_tests_enabled)
 
   test_resources2_c = custom_target('test_resources2.c',
     input : 'test3.gresource.xml',
diff --git a/gio/tests/modules/meson.build b/gio/tests/modules/meson.build
index 5ae131ae7..fa981c4fa 100644
--- a/gio/tests/modules/meson.build
+++ b/gio/tests/modules/meson.build
@@ -1,11 +1,13 @@
-libtestmodulea = library('testmodulea', 'test-module-a.c',
-  install : false,
+libtestmodulea = shared_module('testmodulea', 'test-module-a.c',
   dependencies : [libglib_dep, libgobject_dep, libgmodule_dep, libgio_dep],
-  c_args : [ ]
+  c_args : [ ],
+  install : installed_tests_enabled,
+  install_dir : join_paths(installed_tests_execdir, 'modules'),
 )
 
-libtestmoduleb = library('testmoduleb', 'test-module-b.c',
-  install : false,
+libtestmoduleb = shared_module('testmoduleb', 'test-module-b.c',
   dependencies : [libglib_dep, libgobject_dep, libgmodule_dep, libgio_dep],
-  c_args : [ ]
+  c_args : [ ],
+  install : installed_tests_enabled,
+  install_dir : join_paths(installed_tests_execdir, 'modules'),
 )
diff --git a/glib/tests/meson.build b/glib/tests/meson.build
index 0af71b072..e88d3a104 100644
--- a/glib/tests/meson.build
+++ b/glib/tests/meson.build
@@ -129,6 +129,21 @@ glib_tests = {
   },
 }
 
+if installed_tests_enabled
+  install_data(
+    'keyfiletest.ini',
+    'pages.ini',
+    'keyfile.c',
+    'empty',
+    '4096-random-bytes',
+    'echo-script',
+    'echo-script.bat',
+    install_dir : installed_tests_execdir,
+  )
+  install_subdir('bookmarks', install_dir : installed_tests_execdir)
+  install_subdir('markups', install_dir : installed_tests_execdir)
+endif
+
 # Not entirely random of course, but at least it changes over time
 random_number = minor_version + meson.version().split('.').get(1).to_int()