lint: fix gosimple/S1004 errors

internal/osbuild/source_test.go

@@ -86,7 +86,7 @@ func TestSource_UnmarshalJSON(t *testing.T) {
 			if err != nil {
 				t.Errorf("Could not marshal source: %v", err)
 			}
-			if bytes.Compare(gotBytes, tt.args.data) != 0 {
+			if !bytes.Equal(gotBytes, tt.args.data) {
 				t.Errorf("Expected '%v', got '%v'", string(tt.args.data), string(gotBytes))
 			}
 			if !reflect.DeepEqual(&gotSources, sources) {

internal/osbuild/stage_test.go

@@ -285,7 +285,7 @@ func TestStage_UnmarshalJSON(t *testing.T) {
 			if err != nil {
 				t.Errorf("Could not marshal stage: %v", err)
 			}
-			if bytes.Compare(gotBytes, tt.args.data) != 0 {
+			if !bytes.Equal(gotBytes, tt.args.data) {
 				t.Errorf("Expected `%v`, got `%v`", string(tt.args.data), string(gotBytes))
 			}
 			if !reflect.DeepEqual(&gotStage, stage) {

internal/upload/azure/azure.go

@@ -151,7 +151,7 @@ func UploadImage(credentials Credentials, metadata ImageMetadata, fileName strin
 	var blobChecksum []byte = props.ContentMD5()
 	var fileChecksum []byte = imageFileHash.Sum(nil)
 
-	if bytes.Compare(blobChecksum, fileChecksum) != 0 {
+	if !bytes.Equal(blobChecksum, fileChecksum) {
 		return &errorString{"error during image upload. the image seems to be corrupted"}
 	}
 

internal/upload/azure/azure_test.go

@@ -110,7 +110,7 @@ func TestAzure_FileUpload(t *testing.T) {
 	_, _ = blobURL.Delete(ctx, azblob.DeleteSnapshotsOptionInclude, azblob.BlobAccessConditions{})
 	_ = os.Remove(fileName)
 
-	if bytes.Compare(imageChecksum, blobChecksum[:]) != 0 {
+	if !bytes.Equal(imageChecksum, blobChecksum[:]) {
 		t.Fatalf("Checksums do not match! Local file: %x, cloud blob: %x", imageChecksum, blobChecksum[:])
 	}