fix: make sure that ConfigurationServiceProvider is reset

If we decide to go along with this work, we will probably need a JUnit
extension to always reset the ConfigurationServiceProvider before and
after each test automatically.

Author: metacosm

operator-framework-core/src/test/java/io/javaoperatorsdk/operator/processing/ControllerTest.java

@@ -50,6 +50,7 @@ void crdShouldNotBeCheckedForCustomResourcesIfDisabled() {
 
   @Test
   void crdShouldBeCheckedForCustomResourcesByDefault() {
+    ConfigurationServiceProvider.reset();
     final var client = MockKubernetesClient.client(TestCustomResource.class);
     final var reconciler = mock(Reconciler.class);
     final var configuration = mock(ControllerConfiguration.class);