[Java] Remove test due to limited value and no viable solution for Windows. Issue aeron-io#499.

Author: mjpt777

sbe-tool/src/test/java/uk/co/real_logic/sbe/generation/rust/RustFlatFileOutputManagerTest.java

@@ -1,13 +1,10 @@
 package uk.co.real_logic.sbe.generation.rust;
 
-import org.junit.Assume;
-import org.junit.Ignore;
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.rules.TemporaryFolder;
 
 import java.io.File;
-import java.io.IOException;
 import java.io.Writer;
 import java.nio.charset.StandardCharsets;
 import java.nio.file.FileSystems;
@@ -63,36 +60,6 @@ public void nullPackageParamThrowsNpe()
  new RustFlatFileOutputManager(folderRule.getRoot().getAbsolutePath(), null);
  }
 
- @Ignore
- @Test(expected = IllegalStateException.class)
- public void shouldThrowExceptionIfTargetDirNotWritable() throws IOException, InterruptedException
- {
- final File tempDir = folderRule.newFolder();
- Assume.assumeTrue(tempDir.setReadOnly());
- final String tempDirName = tempDir.getAbsolutePath();
-
- try
- {
- new RustFlatFileOutputManager(tempDirName, PACKAGE_NAME);
- }
- catch (final IllegalStateException ex)
- {
- int waitCount = 0;
- boolean writable;
- do
- {
- writable = tempDir.setWritable(true);
- Thread.sleep(100);
- waitCount += 1;
- }
- while (!writable && waitCount < 10);
-
- throw ex;
- }
-
- fail("should be unreachable");
- }
-
  private static String getExpectedFullFileName(final String tempDirName)
  {
  return (tempDirName.endsWith("" + File.separatorChar) ? tempDirName : tempDirName + File.separatorChar) +