Fix bug

Author: CTMBNara

src/main/java/org/prebid/server/auction/bidderrequestpostprocessor/BidderRequestCleaner.java

@@ -158,7 +158,8 @@ private static UpdateResult<ObjectNode> cleanBidAdjustments(ObjectNode bidAdjust
         }
 
         final ObjectNode cleanedBidAdjustments = bidAdjustments.deepCopy();
-        for (Iterator<JsonNode> maps = cleanedBidAdjustments.elements(); maps.hasNext(); ) {
+        final JsonNode mediaTypeToBidAdjustments = cleanedBidAdjustments.path("mediatype");
+        for (Iterator<JsonNode> maps = mediaTypeToBidAdjustments.elements(); maps.hasNext(); ) {
             final JsonNode bidderMap = maps.next();
             if (!bidderMap.isObject()) {
                 continue;
@@ -175,7 +176,7 @@ private static UpdateResult<ObjectNode> cleanBidAdjustments(ObjectNode bidAdjust
             }
         }
 
-        return !cleanedBidAdjustments.isEmpty()
+        return !mediaTypeToBidAdjustments.isEmpty()
                 ? UpdateResult.updated(cleanedBidAdjustments)
                 : UpdateResult.updated(null);
     }

src/test/java/org/prebid/server/auction/bidderrequestpostprocessor/BidderRequestCleanerTest.java

@@ -114,8 +114,9 @@ public void processShouldRemoveBidAdjustmentFactors() {
     public void processShouldCleanBidAdjustments() {
         // given
         final ObjectNode bidAdjustments = mapper.valueToTree(Map.of(
-                "banner", Map.of("other", 1),
-                "video", Map.of("other", 1, "biddEr", 1)));
+                "mediatype", Map.of(
+                        "banner", Map.of("other", 1),
+                        "video", Map.of("other", 1, "biddEr", 1))));
 
         final BidderRequest bidderRequest = givenBidderRequest(extPrebid -> extPrebid.bidadjustments(bidAdjustments));
 
@@ -128,14 +129,15 @@ public void processShouldCleanBidAdjustments() {
                 .extracting(BidRequest::getExt)
                 .extracting(ExtRequest::getPrebid)
                 .extracting(ExtRequestPrebid::getBidadjustments)
-                .isEqualTo(mapper.valueToTree(Map.of("video", Map.of("biddEr", 1))));
+                .isEqualTo(mapper.valueToTree(Map.of("mediatype", Map.of("video", Map.of("biddEr", 1)))));
         assertThat(result.getErrors()).isEmpty();
     }
 
     @Test
     public void processShouldRemoveBidAdjustments() {
         // given
-        final ObjectNode bidAdjustments = mapper.valueToTree(Map.of("banner", Map.of("other", 1)));
+        final ObjectNode bidAdjustments = mapper.valueToTree(Map.of(
+                "mediatype", Map.of("banner", Map.of("other", 1))));
 
         final BidderRequest bidderRequest = givenBidderRequest(extPrebid -> extPrebid.bidadjustments(bidAdjustments));