diff --git a/internal/service/advancedclustertpf/resource_compatibility_reuse.go b/internal/service/advancedclustertpf/resource_compatibility_reuse.go
index 8cd025ae5f..0f0bb3c172 100644
--- a/internal/service/advancedclustertpf/resource_compatibility_reuse.go
+++ b/internal/service/advancedclustertpf/resource_compatibility_reuse.go
@@ -19,9 +19,11 @@ func FormatMongoDBMajorVersion(version string) string {
 
 func getReplicationSpecIDsFromOldAPI(ctx context.Context, projectID, clusterName string, api admin20240530.ClustersApi) (map[string]string, error) {
 	clusterOldAPI, _, err := api.GetCluster(ctx, projectID, clusterName).Execute()
-	if apiError, ok := admin20240530.AsError(err); ok {
-		if apiError.GetErrorCode() == "ASYMMETRIC_SHARD_UNSUPPORTED" {
-			return nil, nil // if its the case of an asymmetric shard an error is expected in old API, replication_specs.*.id attribute will not be populated
+	if err != nil {
+		if apiError, ok := admin20240530.AsError(err); ok {
+			if apiError.GetErrorCode() == "ASYMMETRIC_SHARD_UNSUPPORTED" {
+				return nil, nil // if its the case of an asymmetric shard an error is expected in old API, replication_specs.*.id attribute will not be populated
+			}
 		}
 		return nil, fmt.Errorf("error reading  advanced cluster with 2023-02-01 API (%s): %s", clusterName, err)
 	}
diff --git a/internal/service/advancedclustertpf/resource_compatiblity.go b/internal/service/advancedclustertpf/resource_compatiblity.go
index 137a1e6c36..5478180970 100644
--- a/internal/service/advancedclustertpf/resource_compatiblity.go
+++ b/internal/service/advancedclustertpf/resource_compatiblity.go
@@ -64,7 +64,7 @@ func normalizeFromTFModel(ctx context.Context, model *TFModel, diags *diag.Diagn
 	if diags.HasError() {
 		return nil
 	}
-	usingLegacySchema := numShardsGt1(counts)
+	usingLegacySchema := isNumShardsGreaterThanOne(counts)
 	if usingLegacySchema && shoudlExplodeNumShards {
 		explodeNumShards(latestModel, counts)
 	}
@@ -149,7 +149,7 @@ func usingLegacySchema(ctx context.Context, input types.List, diags *diag.Diagno
 	if diags.HasError() {
 		return false
 	}
-	return numShardsGt1(counts)
+	return isNumShardsGreaterThanOne(counts)
 }
 
 func numShardsMap(ctx context.Context, input types.List, diags *diag.Diagnostics) map[string]int64 {
@@ -166,7 +166,7 @@ func numShardsMap(ctx context.Context, input types.List, diags *diag.Diagnostics
 	return counts
 }
 
-func numShardsGt1(counts []int64) bool {
+func isNumShardsGreaterThanOne(counts []int64) bool {
 	for _, count := range counts {
 		if count > 1 {
 			return true
diff --git a/internal/testutil/unit/http_mocker.go b/internal/testutil/unit/http_mocker.go
index 9413e9f4a9..5cbe053a46 100644
--- a/internal/testutil/unit/http_mocker.go
+++ b/internal/testutil/unit/http_mocker.go
@@ -95,8 +95,7 @@ func MockTestCaseAndRun(t *testing.T, vars map[string]string, config *MockHTTPDa
 	stepCount := len(testCase.Steps)
 	for i := range stepCount - 1 {
 		step := &testCase.Steps[i]
-		oldCheck := step.Check
-		if oldCheck != nil {
+		if oldCheck := step.Check; oldCheck != nil {
 			step.Check = resource.ComposeAggregateTestCheckFunc(oldCheck, checkFunc)
 		}
 	}
@@ -104,8 +103,7 @@ func MockTestCaseAndRun(t *testing.T, vars map[string]string, config *MockHTTPDa
 	oldCheckDestroy := testCase.CheckDestroy
 	newCheckDestroy := func(s *terraform.State) error {
 		if oldCheckDestroy != nil {
-			err := oldCheckDestroy(s)
-			if err != nil {
+			if err := oldCheckDestroy(s); err != nil {
 				return err
 			}
 		}