diff --git a/extension/observer/k8sobserver/extension_test.go b/extension/observer/k8sobserver/extension_test.go
index b844255ba82a..95581859a7e7 100644
--- a/extension/observer/k8sobserver/extension_test.go
+++ b/extension/observer/k8sobserver/extension_test.go
@@ -35,7 +35,7 @@ func TestNewExtension(t *testing.T) {
 	config := factory.CreateDefaultConfig().(*Config)
 	mockServiceHost(t, config)
 
-	ext, err := newObserver(config, extensiontest.NewNopSettingsWithType(extensiontest.NopType))
+	ext, err := newObserver(config, extensiontest.NewNopSettingsWithType(factory.Type()))
 	require.NoError(t, err)
 	require.NotNil(t, ext)
 }
@@ -46,7 +46,7 @@ func TestExtensionObserveServices(t *testing.T) {
 	config.ObservePods = false // avoid causing data race when multiple test cases running in the same process using podListerWatcher
 	mockServiceHost(t, config)
 
-	set := extensiontest.NewNopSettingsWithType(extensiontest.NopType)
+	set := extensiontest.NewNopSettingsWithType(factory.Type())
 	set.ID = component.NewID(metadata.Type)
 	ext, err := newObserver(config, set)
 	require.NoError(t, err)
@@ -135,7 +135,7 @@ func TestExtensionObservePods(t *testing.T) {
 	config := factory.CreateDefaultConfig().(*Config)
 	mockServiceHost(t, config)
 
-	set := extensiontest.NewNopSettingsWithType(extensiontest.NopType)
+	set := extensiontest.NewNopSettingsWithType(factory.Type())
 	set.ID = component.NewID(metadata.Type)
 	ext, err := newObserver(config, set)
 	require.NoError(t, err)
@@ -219,7 +219,7 @@ func TestExtensionObserveNodes(t *testing.T) {
 	config.ObservePods = false // avoid causing data race when multiple test cases running in the same process using podListerWatcher
 	mockServiceHost(t, config)
 
-	set := extensiontest.NewNopSettingsWithType(extensiontest.NopType)
+	set := extensiontest.NewNopSettingsWithType(factory.Type())
 	set.ID = component.NewID(metadata.Type)
 	ext, err := newObserver(config, set)
 	require.NoError(t, err)
@@ -320,7 +320,7 @@ func TestExtensionObserveIngresses(t *testing.T) {
 	config.ObserveIngresses = true
 	mockServiceHost(t, config)
 
-	set := extensiontest.NewNopSettingsWithType(extensiontest.NopType)
+	set := extensiontest.NewNopSettingsWithType(factory.Type())
 	set.ID = component.NewID(metadata.Type)
 	ext, err := newObserver(config, set)
 	require.NoError(t, err)
diff --git a/extension/observer/k8sobserver/factory_test.go b/extension/observer/k8sobserver/factory_test.go
index 2c6de67587dc..12afa7667cb1 100644
--- a/extension/observer/k8sobserver/factory_test.go
+++ b/extension/observer/k8sobserver/factory_test.go
@@ -26,7 +26,7 @@ func TestFactory_Create(t *testing.T) {
 	factory := NewFactory()
 	cfg := factory.CreateDefaultConfig().(*Config)
 
-	ext, err := factory.Create(context.Background(), extensiontest.NewNopSettingsWithType(extensiontest.NopType), cfg)
+	ext, err := factory.Create(context.Background(), extensiontest.NewNopSettingsWithType(factory.Type()), cfg)
 	require.Error(t, err)
 	require.Nil(t, ext)
 }
diff --git a/extension/opampextension/factory_test.go b/extension/opampextension/factory_test.go
index edff10524065..c4077ad93f4b 100644
--- a/extension/opampextension/factory_test.go
+++ b/extension/opampextension/factory_test.go
@@ -14,19 +14,21 @@ import (
 )
 
 func TestFactory_CreateDefaultConfig(t *testing.T) {
-	cfg := NewFactory().CreateDefaultConfig()
+	f := NewFactory()
+	cfg := f.CreateDefaultConfig()
 	assert.Equal(t, createDefaultConfig().(*Config), cfg)
 
 	assert.NoError(t, componenttest.CheckConfigStruct(cfg))
-	ext, err := createExtension(context.Background(), extensiontest.NewNopSettingsWithType(extensiontest.NopType), cfg)
+	ext, err := createExtension(context.Background(), extensiontest.NewNopSettingsWithType(f.Type()), cfg)
 	require.NoError(t, err)
 	require.NotNil(t, ext)
 	require.NoError(t, ext.Shutdown(context.Background()))
 }
 
 func TestFactory_Create(t *testing.T) {
-	cfg := NewFactory().CreateDefaultConfig()
-	ext, err := createExtension(context.Background(), extensiontest.NewNopSettingsWithType(extensiontest.NopType), cfg)
+	f := NewFactory()
+	cfg := f.CreateDefaultConfig()
+	ext, err := createExtension(context.Background(), extensiontest.NewNopSettingsWithType(f.Type()), cfg)
 	require.NoError(t, err)
 	require.NotNil(t, ext)
 	require.NoError(t, ext.Shutdown(context.Background()))