diff --git a/tests/meson.build b/tests/meson.build
index 7d98d167..448c7631 100644
--- a/tests/meson.build
+++ b/tests/meson.build
@@ -28,6 +28,32 @@ if valgrind.found()
     timeout_multiplier: 2)
 endif
 
+# The common test environment
+common_test_env = environment({
+  'XDG_CONFIG_HOME': meson.current_build_dir() / '.config',
+  'WIREPLUMBER_CONFIG_DIR': '/invalid',
+  'WIREPLUMBER_DATA_DIR': '/invalid',
+  'WIREPLUMBER_MODULE_DIR': meson.current_build_dir() / '..' / 'modules',
+  'WIREPLUMBER_DEBUG': '7',
+})
+
+spa_plugindir = spa_dep.get_variable(
+  pkgconfig: 'plugindir', internal: 'plugindir', default_value: '')
+pipewire_moduledir = pipewire_dep.get_variable(
+  pkgconfig: 'moduledir', internal: 'moduledir', default_value: '')
+pipewire_confdatadir = pipewire_dep.get_variable(
+  pkgconfig: 'confdatadir', internal: 'confdatadir', default_value: '')
+
+if spa_plugindir != ''
+  common_test_env.set('SPA_PLUGIN_DIR', spa_plugindir)
+endif
+if pipewire_moduledir != ''
+  common_test_env.set('PIPEWIRE_MODULE_DIR', pipewire_moduledir)
+endif
+if pipewire_confdatadir != ''
+  common_test_env.set('PIPEWIRE_CONFIG_DIR', pipewire_confdatadir)
+endif
+
 subdir('wp')
 subdir('wplua')
 subdir('wpipc', if_found: wpipc_dep)
diff --git a/tests/modules/meson.build b/tests/modules/meson.build
index dedccaea..4b4d1bd2 100644
--- a/tests/modules/meson.build
+++ b/tests/modules/meson.build
@@ -1,10 +1,7 @@
 common_deps = [gobject_dep, gio_dep, wp_dep, pipewire_dep]
-common_env = environment({
-  'G_TEST_SRCDIR': meson.current_source_dir(),
-  'G_TEST_BUILDDIR': meson.current_build_dir(),
-  'WIREPLUMBER_MODULE_DIR': meson.current_build_dir() / '..' / '..' / 'modules',
-  'WIREPLUMBER_DEBUG': '7',
-})
+common_env = common_test_env
+common_env.set('G_TEST_SRCDIR', meson.current_source_dir())
+common_env.set('G_TEST_BUILDDIR', meson.current_build_dir())
 common_args = [
   '-DG_LOG_USE_STRUCTURED',
 ]
diff --git a/tests/wp/meson.build b/tests/wp/meson.build
index b19c7f97..a18caf79 100644
--- a/tests/wp/meson.build
+++ b/tests/wp/meson.build
@@ -1,11 +1,7 @@
 common_deps = [gobject_dep, gio_dep, wp_dep, pipewire_dep]
-common_env = environment({
-  'G_TEST_SRCDIR': meson.current_source_dir(),
-  'G_TEST_BUILDDIR': meson.current_build_dir(),
-  'XDG_CONFIG_HOME': meson.current_build_dir() / '.config',
-  'WIREPLUMBER_MODULE_DIR': meson.current_build_dir() / '..' / '..' / 'modules',
-  'WIREPLUMBER_DEBUG': '7',
-})
+common_env = common_test_env
+common_env.set('G_TEST_SRCDIR', meson.current_source_dir())
+common_env.set('G_TEST_BUILDDIR', meson.current_build_dir())
 common_args = [
   '-DG_LOG_USE_STRUCTURED',
 ]
diff --git a/tests/wplua/meson.build b/tests/wplua/meson.build
index cd45c1ce..128cc309 100644
--- a/tests/wplua/meson.build
+++ b/tests/wplua/meson.build
@@ -1,18 +1,13 @@
 common_deps = [wplua_dep, pipewire_dep, wp_dep]
-common_env = environment({
-  'G_TEST_SRCDIR': meson.current_source_dir(),
-  'G_TEST_BUILDDIR': meson.current_build_dir(),
-  'WIREPLUMBER_CONFIG_DIR': '/invalid',
-  'WIREPLUMBER_DATA_DIR': meson.current_source_dir(),
-  'WIREPLUMBER_MODULE_DIR': meson.current_build_dir() / '..' / '..' / 'modules',
-  'WIREPLUMBER_DEBUG': '7',
-})
+common_env = common_test_env
+common_env.set('G_TEST_SRCDIR', meson.current_source_dir())
+common_env.set('G_TEST_BUILDDIR', meson.current_build_dir())
+common_env.set('WIREPLUMBER_DATA_DIR', meson.current_source_dir())
 
 test(
   'test-wplua',
   executable('test-wplua', 'wplua.c', dependencies: common_deps),
   env: common_env,
-  workdir : meson.current_source_dir(),
 )
 
 script_tester = executable('script-tester',
@@ -25,12 +20,10 @@ test(
   script_tester,
   args: ['pod.lua'],
   env: common_env,
-  workdir : meson.current_source_dir(),
 )
 test(
   'test-lua-monitor-rules',
   script_tester,
   args: ['monitor-rules.lua'],
   env: common_env,
-  workdir : meson.current_source_dir(),
 )