return super.add(e);
  }

  /**
   * Inserts the specified element at the tail of this queue if it is possible to do so immediately
   * without exceeding the queue's capacity, returning {@code true} upon success and {@code false}
   * if this queue is full. This method is generally preferable to method {@link #add}, which can
   * fail to insert an element only by throwing an exception.
   *

import static org.junit.jupiter.api.Assertions.assertSame;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.junit.jupiter.api.Assertions.fail;

import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.util.Properties;

import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;

        try {
            // Create a test instance that extends FessLabels
            TestFessLabels labels = new TestFessLabels();
            labels.testAssertPropertyNotNull(null);
            fail("Should throw IllegalArgumentException");
        } catch (IllegalArgumentException e) {
            assertEquals("The argument 'property' for message should not be null.", e.getMessage());
        }
    }

    /**

        }

        // reactor failure modes
        if (t instanceof RuntimeException || !(t instanceof Exception)) {
            // fail fast on RuntimeExceptions, Errors and "other" Throwables
            // assume these are system errors and further build is meaningless
            buildContext.getReactorBuildStatus().halt();

        final ScheduledJob scheduledJob = new ScheduledJob();
        scheduledJob.setId("nonexistent-job");

        try {
            scheduledJob.start(Map.of(Constants.JOB_LOG_ID, "some-id"));
            fail("Expected JobNotFoundException");
        } catch (final JobNotFoundException e) {
            // expected
        }
    }

    @Test
    public void test_startNoArg_callsLaunchNowWithoutParams() {

                assertEquals(1, list.size());
                assertEquals(1, list.getAllRecordCount());
                assertEquals("0", list.get(0).get(ID_FIELD));
            } else {
                fail();
            }
        }
    }

    /**
     * Test multiple searchers with mixed result counts.
     */
    @Test
    public void test_multipleSearchersWithMixedResults() throws Exception {

        // Arrange
        WriterThread w = new WriterThread();
        SmbFileOutputStream out = mock(SmbFileOutputStream.class);
        byte[] payload = new byte[] { 9, 8, 7 };

        doThrow(new SmbException("fail")).when(out).write(any(byte[].class), anyInt(), anyInt());

        w.start();

        // Wait until writer thread is ready
        synchronized (w) {
            long deadline = System.currentTimeMillis() + 2000;

if _os.getenv("TF_PLUGGABLE_DEVICE_LIBRARY_PATH", ""):
  _ll.load_pluggable_device_library(
      _os.getenv("TF_PLUGGABLE_DEVICE_LIBRARY_PATH")
  )

# Delete modules that should be hidden from dir().
# Don't fail if these modules are not available.
# For e.g. this file will be originally placed under tensorflow/_api/v1 which
# does not have "python", "core" directories. Then, it will be copied

	br.ReadRune()
	br.Peek(1)
	if err := br.UnreadRune(); err == nil {
		t.Error("UnreadRune didn't fail after Peek")
	}
}

func TestNoUnreadByteAfterPeek(t *testing.T) {
	br := NewReader(strings.NewReader("example"))
	br.ReadByte()
	br.Peek(1)
	if err := br.UnreadByte(); err == nil {
		t.Error("UnreadByte didn't fail after Peek")
	}
}

func TestNoUnreadRuneAfterDiscard(t *testing.T) {

    this.replacementsLength = replacements.length;
    if (safeMax < safeMin) {
      // If the safe range is empty, set the range limits to opposite extremes
      // to ensure the first test of either value will fail.
      safeMax = -1;
      safeMin = Integer.MAX_VALUE;
    }
    this.safeMin = safeMin;
    this.safeMax = safeMax;

    // This is a bit of a hack but lets us do quicker per-character checks in