make init blocking on load config

Author: typotter

src/main/java/cloud/eppo/EppoClient.java

@@ -197,9 +197,11 @@ public EppoClient buildAndInit() {
               pollingIntervalMs,
               pollingIntervalMs / DEFAULT_JITTER_INTERVAL_RATIO);
 
+      fetchConfigurationsTask.scheduleNext();
+
       // Kick off the first fetch, respecting graceful mode.
       try {
-        fetchConfigurationsTask.run();
+        instance.loadConfiguration();
       } catch (RuntimeException e) {
         log.error("Encountered Exception while loading configuration", e);
         if (!isGracefulMode) {

src/main/java/cloud/eppo/FetchConfigurationsTask.java

@@ -28,6 +28,10 @@ public void run() {
     } catch (Exception e) {
       log.error("[Eppo SDK] Error fetching experiment configuration", e);
     }
+    scheduleNext();
+  }
+
+  public void scheduleNext() {
 
     long delay = this.intervalInMillis - (long) (Math.random() * this.jitterInMillis);
     FetchConfigurationsTask nextTask =

src/test/java/cloud/eppo/EppoClientTest.java

@@ -4,7 +4,6 @@
 import static cloud.eppo.helpers.AssignmentTestCase.runTestCase;
 import static cloud.eppo.helpers.BanditTestCase.parseBanditTestCaseFile;
 import static cloud.eppo.helpers.BanditTestCase.runBanditTestCase;
-import static cloud.eppo.helpers.TestUtils.mockHttpError;
 import static org.junit.jupiter.api.Assertions.*;
 import static org.junit.jupiter.api.Assertions.assertThrows;
 import static org.mockito.Mockito.*;