Modified FileSystemResultsWriter.java

Change OutputStream object to BufferedOutputStream in order to solve allure-framework/allure-java#197 .
Tested and verified.

allure2-model-api/src/main/java/io/qameta/allure/FileSystemResultsWriter.java

@@ -14,7 +14,6 @@
 
 import static io.qameta.allure.AllureUtils.generateTestResultContainerName;
 import static io.qameta.allure.AllureUtils.generateTestResultName;
-import static java.nio.file.StandardOpenOption.CREATE_NEW;
 
 /**
  * @author charlie (Dmitry Baev).
@@ -37,7 +36,7 @@ public void write(TestResult testResult) {
                 : generateTestResultName(testResult.getUuid());
         createDirectories(outputDirectory);
         Path file = outputDirectory.resolve(testResultName);
-        try (OutputStream os = Files.newOutputStream(file, CREATE_NEW)) {
+        try (OutputStream os = new BufferedOutputStream(new FileOutputStream(file.toString()))) {
             mapper.writeValue(os, testResult);
         } catch (IOException e) {
             throw new AllureResultsWriteException("Could not write Allure test result", e);