Only run tests if feature flag is enabled

Author: JonasKunz

x-pack/plugin/mapper-exponential-histogram/src/test/java/org/elasticsearch/xpack/exponentialhistogram/ExponentialHistogramFieldBlockLoaderTests.java

@@ -23,6 +23,8 @@
 import org.elasticsearch.xcontent.XContentParser;
 import org.elasticsearch.xcontent.XContentParserConfiguration;
 import org.elasticsearch.xcontent.json.JsonXContent;
+import org.elasticsearch.xpack.analytics.mapper.ExponentialHistogramParser;
+import org.junit.Before;
 
 import java.io.IOException;
 import java.util.Collection;
@@ -38,6 +40,14 @@ public ExponentialHistogramFieldBlockLoaderTests(Params params) {
         super(ExponentialHistogramFieldMapper.CONTENT_TYPE, List.of(DATA_SOURCE_HANDLER), params);
     }
 
+    @Before
+    public void setup() {
+        assumeTrue(
+            "Only when exponential_histogram feature flag is enabled",
+            ExponentialHistogramParser.EXPONENTIAL_HISTOGRAM_FEATURE.isEnabled()
+        );
+    }
+
     @Override
     protected Collection<? extends Plugin> getPlugins() {
         return Collections.singletonList(new ExponentialHistogramMapperPlugin());