@Test
public void testProcessShouldReplaceSinglePlaceholderSurroundedByText() {

    // Given:
    BasePlaceholder underTest = new TestPlaceholder("%s", "##bar##");
    // When:
    String result = underTest.process("Test %s()");
    // Then:
    assertThat(result).isEqualTo("Test ##bar##()");
}