src/main/java/org/fest/assertions/internal/Failures.java
public AssertionError failure(String message) {
    AssertionError assertionError = new AssertionError(message);
    removeFestRelatedElementsFromStackTraceIfNeeded(assertionError);
    return assertionError;
  }
public AssertionError failure(String message) {
    AssertionError assertionError = new AssertionError(message);
    removeFestRelatedElementsFromStackTraceIfNeeded(assertionError);
    return assertionError;
  }
Creates a <code>{@link AssertionError}</code> using the given {@code String} as message.
<p>
It filters the AssertionError stack trace be default, to have full stack trace use
{@link #setRemoveFestRelatedElementsFromStackTrace(boolean)}.

@param message the message of the {@code AssertionError} to create.
@return the created <code>{@link AssertionError}</code>.