Unit test with resources loaded with ClassLoader and Maven Surefire

I have a JavaFX project that loads the FXML files using getClassLoader().getResource(). The main code runs fine but when I run tests with Maven Surefire Plugin I have this error:

java.lang.IllegalStateException: Location is not set.
javafx.fxml/javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:2459)
javafx.fxml/javafx.fxml.FXMLLoader.load(FXMLLoader.java:2435)

Upon further investigation I discovered that when getClassLoader().getResource() is called while executing the test, the path it tries to resolve is in "target/test-classes" folder, whereas the resources reside in "target/classes" folder. How do I solve this problem? My project follows Maven's default structure if that is relevant.