[TEST] delete specific index boost serialization test, already covered by testSerialization

indexBoost is already randomly set, we don't need a specific test for it in SearchSourceBuilderTests

core/src/test/java/org/elasticsearch/search/builder/SearchSourceBuilderTests.java

@@ -326,25 +326,4 @@ public class SearchSourceBuilderTests extends AbstractSearchTestCase {
         String query = "{ \"query\": {} }";
         assertParseSearchSource(builder, new BytesArray(query), ParseFieldMatcher.EMPTY);
     }
-
-    public void testSearchRequestBuilderSerializationWithIndexBoost() throws Exception {
-        SearchSourceBuilder searchSourceBuilder = createSearchSourceBuilder();
-        createIndexBoost(searchSourceBuilder);
-        try (BytesStreamOutput output = new BytesStreamOutput()) {
-            searchSourceBuilder.writeTo(output);
-            try (StreamInput in = new NamedWriteableAwareStreamInput(output.bytes().streamInput(), namedWriteableRegistry)) {
-                SearchSourceBuilder deserializedSearchSourceBuilder = new SearchSourceBuilder(in);
-                BytesStreamOutput deserializedOutput = new BytesStreamOutput();
-                deserializedSearchSourceBuilder.writeTo(deserializedOutput);
-                assertEquals(output.bytes(), deserializedOutput.bytes());
-            }
-        }
-    }
-
-    private static void createIndexBoost(SearchSourceBuilder searchSourceBuilder) {
-        int indexBoostSize = randomIntBetween(1, 10);
-        for (int i = 0; i < indexBoostSize; i++) {
-            searchSourceBuilder.indexBoost(randomAsciiOfLengthBetween(5, 20), randomFloat() * 10);
-        }
-    }
 }