@Test
public void insertFirstRegexTest() throws IOException, URISyntaxException {

    InsertLine insertLine = new InsertLine("   color: black and white", "   name: Mustache").relative("/src/main/resources/dogs.yaml");
    TOExecutionResult executionResult = insertLine.execution(transformedAppFolder, transformationContext);
    Assert.assertEquals(executionResult.getType(), TOExecutionResult.Type.SUCCESS);
    assertChangedFile("/src/main/resources/dogs.yaml");
    assertLineCount("/src/main/resources/dogs.yaml", 1);
    Map<String, Dog> dogs = (Map) getObjectFromYaml("/src/main/resources/dogs.yaml");
    Dog mustache = dogs.get("Mustache");
    Assert.assertEquals(mustache.getColor(), "black and white");
}