Address typo in README and include name in tests

extension/storage/README.md

@@ -4,7 +4,7 @@ A storage extension persists state beyond the collector process. Other component
 
 The `storage.Extension` interface extends `component.Extension` by adding the following method:
 ```
-GetClient(component.Kind, component.Kind, config.ComponentID, string) (Client, error)
+GetClient(context.Context, component.Kind, config.ComponentID, string) (Client, error)
 ```
 
 The `storage.Client` interface contains the following methods:

extension/storage/filestorage/extension_test.go

@@ -156,6 +156,46 @@ func TestNewExtensionErrorsOnMissingDirectory(t *testing.T) {
 	require.Nil(t, extension)
 }
 
+func TestTwoClientsWithDifferentNames(t *testing.T) {
+	ctx := context.Background()
+	se := newTestExtension(t)
+
+	client1, err := se.GetClient(
+		ctx,
+		component.KindReceiver,
+		newTestEntity("my_component"),
+		"foo",
+	)
+	require.NoError(t, err)
+
+	client2, err := se.GetClient(
+		ctx,
+		component.KindReceiver,
+		newTestEntity("my_component"),
+		"bar",
+	)
+	require.NoError(t, err)
+
+	myBytes1 := []byte("value1")
+	myBytes2 := []byte("value2")
+
+	// Set the data
+	err = client1.Set(ctx, "key", myBytes1)
+	require.NoError(t, err)
+
+	err = client2.Set(ctx, "key", myBytes2)
+	require.NoError(t, err)
+
+	// Check it was associated accordingly
+	data, err := client1.Get(ctx, "key")
+	require.NoError(t, err)
+	require.Equal(t, myBytes1, data)
+
+	data, err = client2.Get(ctx, "key")
+	require.NoError(t, err)
+	require.Equal(t, myBytes2, data)
+}
+
 func TestGetClientErrorsOnDeletedDirectory(t *testing.T) {
 	ctx := context.Background()