configure the sweeper to clean up firewall rules that are leftover (#5202) (#3621)

* configure the sweeper to clean up firewall rules that are leftover from k8 stuff

* add information on which test is being skipped

* Update gcp_sweeper_test.go

add explanation for resource prefix

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

Author: modular-magician

.changelog/5202.txt

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

google-beta/gcp_sweeper_test.go

@@ -17,6 +17,7 @@ var testResourcePrefixes = []string{
 	"df-",                 // https://github.com/hashicorp/terraform-provider-google/issues/8909
 	"resourcegroup-",      // https://github.com/hashicorp/terraform-provider-google/issues/8924
 	"cluster-",            // https://github.com/hashicorp/terraform-provider-google/issues/8924
+	"k8s-fw-",             // firewall rules are getting created and not cleaned up by k8 resources using this prefix
 }
 
 func TestMain(m *testing.M) {

google-beta/resource_google_project_test.go

@@ -432,6 +432,7 @@ func skipIfEnvNotSet(t *testing.T, envs ...string) {
 
 	for _, k := range envs {
 		if os.Getenv(k) == "" {
+			log.Printf("[DEBUG] Warning - environment variable %s is not set - skipping test %s", k, t.Name())
 			t.Skipf("Environment variable %s is not set", k)
 		}
 	}