B!! Fix problem with cyber dojo not capturing output on linux

Co-Authored-By: Llewellyn Falco <[email protected]>

Author: LarsEckart

approvaltests/src/main/java/org/approvaltests/reporters/GenericDiffReporter.java

@@ -65,7 +65,7 @@ private void launch(String received, String approved)
       preventProcessFromClosing(builder);
       Process process = builder.start();
       processOutput(received, process);
-      ThreadUtils.sleep(800); //Give program time to start}
+      ThreadUtils.sleep(800); //Give program time to start
     }
     catch (Exception e)
     {
@@ -75,7 +75,7 @@ private void launch(String received, String approved)
   protected void processOutput(String received, Process process)
   {
   }
-  private void preventProcessFromClosing(ProcessBuilder builder)
+  protected void preventProcessFromClosing(ProcessBuilder builder)
   {
     if (!SystemUtils.isWindowsEnviroment())
     {

approvaltests/src/main/java/org/approvaltests/reporters/linux/ReportByCreatingDiffFile.java

@@ -21,4 +21,9 @@ protected void processOutput(String received, Process process)
     String diffFile = received.replace(".received" + extensionWithDot, ".diff");
     FileUtils.writeFile(new File(diffFile), process.getInputStream());
   }
+
+  @Override
+  protected void preventProcessFromClosing(ProcessBuilder builder) {
+    // prevent writing to /dev/null
+  }
 }