diff --git a/tests/modules/si-audio-adapter.c b/tests/modules/si-audio-adapter.c
index 5d06eabc..c064418e 100644
--- a/tests/modules/si-audio-adapter.c
+++ b/tests/modules/si-audio-adapter.c
@@ -37,6 +37,10 @@ test_si_audio_adapter_setup (TestFixture * f, gconstpointer user_data)
 
     g_assert_cmpint (pw_context_add_spa_lib (f->base.server.context,
             "audiotestsrc", "audiotestsrc/libspa-audiotestsrc"), ==, 0);
+    if (!test_is_spa_lib_installed (&f->base, "audiotestsrc")) {
+      g_test_skip ("The pipewire audiotestsrc factory was not found");
+      return;
+    }
     g_assert_nonnull (pw_context_load_module (f->base.server.context,
             "libpipewire-module-spa-node-factory", NULL, NULL));
     g_assert_nonnull (pw_context_load_module (f->base.server.context,
diff --git a/tests/modules/si-node.c b/tests/modules/si-node.c
index 5c07a8a3..d0eb3b0c 100644
--- a/tests/modules/si-node.c
+++ b/tests/modules/si-node.c
@@ -45,6 +45,10 @@ test_si_node_setup (TestFixture * f, gconstpointer user_data)
 
     g_assert_cmpint (pw_context_add_spa_lib (f->base.server.context,
             "audiotestsrc", "audiotestsrc/libspa-audiotestsrc"), ==, 0);
+    if (!test_is_spa_lib_installed (&f->base, "audiotestsrc")) {
+      g_test_skip ("The pipewire audiotestsrc factory was not found");
+      return;
+    }
     g_assert_nonnull (pw_context_load_module (f->base.server.context,
             "libpipewire-module-spa-node-factory", NULL, NULL));
   }
diff --git a/tests/modules/si-standard-link.c b/tests/modules/si-standard-link.c
index 0dcc098e..7bcbc770 100644
--- a/tests/modules/si-standard-link.c
+++ b/tests/modules/si-standard-link.c
@@ -90,6 +90,10 @@ test_si_standard_link_setup (TestFixture * f, gconstpointer user_data)
 
     g_assert_cmpint (pw_context_add_spa_lib (f->base.server.context,
             "audiotestsrc", "audiotestsrc/libspa-audiotestsrc"), ==, 0);
+    if (!test_is_spa_lib_installed (&f->base, "audiotestsrc")) {
+      g_test_skip ("The pipewire audiotestsrc factory was not found");
+      return;
+    }
     g_assert_nonnull (pw_context_load_module (f->base.server.context,
             "libpipewire-module-adapter", NULL, NULL));
     g_assert_nonnull (pw_context_load_module (f->base.server.context,
diff --git a/tests/wp/object-manager.c b/tests/wp/object-manager.c
index bb0bbb34..b984914e 100644
--- a/tests/wp/object-manager.c
+++ b/tests/wp/object-manager.c
@@ -66,6 +66,10 @@ test_om_interest_on_pw_props (TestFixture *f, gconstpointer user_data)
 
     g_assert_cmpint (pw_context_add_spa_lib (f->base.server.context,
             "audiotestsrc", "audiotestsrc/libspa-audiotestsrc"), ==, 0);
+    if (!test_is_spa_lib_installed (&f->base, "audiotestsrc")) {
+      g_test_skip ("The pipewire audiotestsrc factory was not found");
+      return;
+    }
     g_assert_nonnull (pw_context_load_module (f->base.server.context,
             "libpipewire-module-adapter", NULL, NULL));
   }
diff --git a/tests/wp/proxy.c b/tests/wp/proxy.c
index 5c2b18cc..3a44606d 100644
--- a/tests/wp/proxy.c
+++ b/tests/wp/proxy.c
@@ -263,6 +263,10 @@ test_enum_params_error (TestFixture *f, gconstpointer data)
 
     g_assert_cmpint (pw_context_add_spa_lib (f->base.server.context,
             "audiotestsrc", "audiotestsrc/libspa-audiotestsrc"), ==, 0);
+    if (!test_is_spa_lib_installed (&f->base, "audiotestsrc")) {
+      g_test_skip ("The pipewire audiotestsrc factory was not found");
+      return;
+    }
     g_assert_nonnull (pw_context_load_module (f->base.server.context,
             "libpipewire-module-adapter", NULL, NULL));
   }