public Transform properties(String propertiesLocation) {
		Assert.hasText(propertiesLocation, "propertiesLocation can not be empty nor null");
		this.propertiesLocation = propertiesLocation;
		return this;
	}
Sets the propertiesLocation to be used by the transform.
@param propertiesLocation the location of the propertiesLocation file
@return current instance of the transform fixture.
spring-xd-test-fixtures/src/main/java/org/springframework/xd/test/fixtures/Transform.java