message: irohad_test: remove test data dir if present before test
diff: @@ -241,6 +241,12 @@ class IrohadTest : public AcceptanceFixture {
  }
  void prepareTestData() {
  + if (boost::filesystem::is_directory(test_data_path_)) {
  + log_->info("Removing existing test data directory {}.",
  + test_data_path_.string());
  + ASSERT_TRUE(boost::filesystem::remove_all(test_data_path_))
  + << "Could not remove directory " << test_data_path_ << ".";
  + }
  ASSERT_TRUE(boost::filesystem::create_directory(test_data_path_))
  << "Could not create directory " << test_data_path_ << ".";
  