diff --git a/internal/librarian/php/generate_test.go b/internal/librarian/php/generate_test.go
index 1522dcef5f2..04b9744a344 100644
--- a/internal/librarian/php/generate_test.go
+++ b/internal/librarian/php/generate_test.go
@@ -114,7 +114,7 @@ func TestGatherProtos(t *testing.T) {
 }
 
 func TestGapicOpts(t *testing.T) {
-	tests := []struct {
+	for _, test := range []struct {
 		name           string
 		api            *config.API
 		apiMetadata    *serviceconfig.API
@@ -143,7 +143,8 @@ func TestGapicOpts(t *testing.T) {
 			},
 			grpcConfigPath: "grpc_config.json",
 			want: []string{
-				"metadata", "transport=grpc+rest", "migration-mode=NEW_SURFACE_ONLY", "rest-numeric-enums", "generate-snippets",
+				"metadata", "transport=grpc+rest", "migration-mode=NEW_SURFACE_ONLY",
+				"rest-numeric-enums", "generate-snippets",
 				"grpc_service_config=grpc_config.json",
 				"service_yaml=service.yaml",
 			},
@@ -154,7 +155,8 @@ func TestGapicOpts(t *testing.T) {
 			apiMetadata: &serviceconfig.API{
 				SkipRESTNumericEnums: []string{"php"},
 			},
-			want: []string{"metadata", "transport=grpc+rest", "migration-mode=NEW_SURFACE_ONLY", "generate-snippets"},
+			want: []string{"metadata", "transport=grpc+rest", "migration-mode=NEW_SURFACE_ONLY",
+				"generate-snippets"},
 		},
 		{
 			name: "custom transport",
@@ -164,10 +166,10 @@ func TestGapicOpts(t *testing.T) {
 					"php": serviceconfig.Transport("rest"),
 				},
 			},
-			want: []string{"metadata", "transport=rest", "migration-mode=NEW_SURFACE_ONLY", "rest-numeric-enums", "generate-snippets"},
+			want: []string{"metadata", "transport=rest", "migration-mode=NEW_SURFACE_ONLY",
+				"rest-numeric-enums", "generate-snippets"},
 		},
-	}
-	for _, test := range tests {
+	} {
 		t.Run(test.name, func(t *testing.T) {
 			got := gapicOpts(test.api, test.apiMetadata, test.grpcConfigPath)
 			if diff := cmp.Diff(test.want, got); diff != "" {