Fixed repository group sweeper to fix test failures (#15620)

Author: melinath

mmv1/products/gemini/CodeRepositoryIndex.yaml

@@ -22,6 +22,7 @@ base_url: projects/{{project}}/locations/{{location}}/codeRepositoryIndexes
 self_link: projects/{{project}}/locations/{{location}}/codeRepositoryIndexes/{{code_repository_index_id}}
 create_url: projects/{{project}}/locations/{{location}}/codeRepositoryIndexes?codeRepositoryIndexId={{code_repository_index_id}}
 delete_url: projects/{{project}}/locations/{{location}}/codeRepositoryIndexes/{{code_repository_index_id}}?force={{force_destroy}}
+collection_url_key: 'codeRepositoryIndexes'
 update_verb: 'PATCH'
 update_mask: true
 id_format: projects/{{project}}/locations/{{location}}/codeRepositoryIndexes/{{code_repository_index_id}}

mmv1/products/gemini/RepositoryGroup.yaml

@@ -67,6 +67,12 @@ iam_policy:
 error_retry_predicates:
   - 'transport_tpg.IsCodeRepositoryIndexUnreadyError'
   - 'transport_tpg.IsRepositoryGroupQueueError'
+sweeper:
+  parent:
+    resource_type: 'google_gemini_code_repository_index'
+    child_field: 'code_repository_index'
+    parent_field: 'name'
+    parent_field_extract_name: true
 parameters:
   - name: location
     type: String

mmv1/third_party/terraform/sweeper/hashi_sweeper_fork.go

@@ -4,7 +4,6 @@ import (
 	"flag"
 	"fmt"
 	"log"
-	"os"
 	"strings"
 	"testing"
 
@@ -115,7 +114,7 @@ func ExecuteSweepers(t *testing.T) {
 		sweepers := filterSweepers(*flagSweepRun, sweeperInventory)
 
 		if err := runSweepers(t, regions, sweepers, *flagSweepAllowFailures); err != nil {
-			os.Exit(1)
+			t.Errorf("error running sweepers: %v", err)
 		}
 	} else {
 		t.Skip("skipping sweeper run. No region supplied")