fix(flagd): update testbed + step, fix event

Signed-off-by: lea konvalinka <lea.konvalinka@dynatrace.com>

Author: leakonvalinka

providers/flagd/src/main/java/dev/openfeature/contrib/providers/flagd/resolver/common/ChannelConnector.java

@@ -86,7 +86,7 @@ private void onStateChange() {
         log.debug("Channel state changed to: {}", currentState);
         if (currentState == ConnectivityState.TRANSIENT_FAILURE || currentState == ConnectivityState.SHUTDOWN) {
             this.onConnectionEvent.accept(new FlagdProviderEvent(
-                    ProviderEvent.PROVIDER_ERROR, Collections.emptyList(), new ImmutableStructure()));
+                    ProviderEvent.PROVIDER_STALE, Collections.emptyList(), new ImmutableStructure()));
         }
         if (currentState != ConnectivityState.SHUTDOWN) {
             log.debug("continuing to monitor the grpc channel");

providers/flagd/src/test/java/dev/openfeature/contrib/providers/flagd/e2e/steps/ProviderSteps.java

@@ -200,8 +200,8 @@ public void the_flag_was_modded() {
                 .statusCode(200);
     }
 
-    @Then("the client is in {} state")
-    public void the_client_is_in_fatal_state(String clientState) {
+    @Then("the client should be in {} state")
+    public void the_client_should_be_in_fatal_state(String clientState) {
         assertThat(state.client.getProviderState()).isEqualTo(ProviderState.valueOf(clientState.toUpperCase()));
     }
 }

providers/flagd/src/test/java/dev/openfeature/contrib/providers/flagd/e2e/steps/Utils.java

@@ -4,8 +4,10 @@
 import dev.openfeature.contrib.providers.flagd.resolver.rpc.cache.CacheType;
 import dev.openfeature.sdk.Value;
 import java.io.IOException;
+import java.util.Arrays;
 import java.util.List;
 import java.util.Objects;
+import java.util.stream.Collectors;
 import org.testcontainers.shaded.com.fasterxml.jackson.databind.ObjectMapper;
 
 public final class Utils {
@@ -39,7 +41,8 @@ public static Object convert(String value, String type) throws ClassNotFoundExce
             case "CacheType":
                 return CacheType.valueOf(value.toUpperCase()).getValue();
             case "StringList":
-                return List.of(value);
+                return value.isEmpty() ? List.of() : Arrays.stream(value.split(",")).map(String::trim).collect(
+                        Collectors.toList());
             case "Object":
                 return Value.objectToValue(new ObjectMapper().readValue(value, Object.class));
         }