Added tf-test prefix to negId and made network endpoints API endpoint match the version we're testing (#4760) (#3226)

Signed-off-by: Modular Magician <[email protected]>

Author: modular-magician

.changelog/4760.txt

@@ -0,0 +1,3 @@
+```release-note:none
+
+```

google-beta/resource_compute_network_endpoint_test.go

@@ -20,7 +20,7 @@ func TestAccComputeNetworkEndpoint_networkEndpointsBasic(t *testing.T) {
 		"add1_port":     101,
 		"add2_port":     102,
 	}
-	negId := fmt.Sprintf("projects/%s/zones/%s/networkEndpointGroups/neg-%s",
+	negId := fmt.Sprintf("projects/%s/zones/%s/networkEndpointGroups/tf-test-neg-%s",
 		getTestProjectFromEnv(), getTestZoneFromEnv(), context["random_suffix"])
 
 	vcrTest(t, resource.TestCase{

google-beta/resource_dataflow_flex_template_job_test.go

@@ -8,7 +8,7 @@ import (
 
 	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/resource"
 	"github.com/hashicorp/terraform-plugin-sdk/v2/terraform"
-	"google.golang.org/api/compute/v1"
+	compute "google.golang.org/api/compute/v1"
 )
 
 func TestAccDataflowFlexTemplateJob_basic(t *testing.T) {