fix example

vertexai/genai/client_test.go

@@ -60,7 +60,6 @@ func TestLive(t *testing.T) {
 		checkMatch(t, got, `15.* cm|[1-9].* inches`)
 	})
 	t.Run("system-instructions", func(t *testing.T) {
-		t.Skip("feature not yet available")
 		model := client.GenerativeModel(*modelName)
 		model.Temperature = Ptr[float32](0)
 		model.SystemInstruction = &Content{
@@ -71,7 +70,7 @@ func TestLive(t *testing.T) {
 			t.Fatal(err)
 		}
 		got := responseString(resp)
-		checkMatch(t, got, `15.* cm|[1-9].* inches`)
+		checkMatch(t, got, `[1-9][0-9].* cm|[1-9].* inches`)
 		fmt.Println(got)
 
 	})

vertexai/genai/example_test.go

@@ -18,12 +18,10 @@ import (
 	"context"
 	"fmt"
 	"log"
-	"os"
 
 	"cloud.google.com/go/vertexai/genai"
 
 	"google.golang.org/api/iterator"
-	"google.golang.org/api/option"
 )
 
 // Your GCP project
@@ -57,7 +55,9 @@ func ExampleGenerativeModel_GenerateContent() {
 // for the complete set of configuration options.
 func ExampleGenerativeModel_GenerateContent_config() {
 	ctx := context.Background()
-	client, err := genai.NewClient(ctx, option.WithAPIKey(os.Getenv("GEMINI_API_KEY")))
+	const projectID = "YOUR PROJECT ID"
+	const location = "GCP LOCATION"
+	client, err := genai.NewClient(ctx, projectID, location)
 	if err != nil {
 		log.Fatal(err)
 	}