diff --git a/src/test/groovy/org/prebid/server/functional/testcontainers/scaffolding/Bidder.groovy b/src/test/groovy/org/prebid/server/functional/testcontainers/scaffolding/Bidder.groovy
index ff0b9f3b4f7..fd89add53eb 100644
--- a/src/test/groovy/org/prebid/server/functional/testcontainers/scaffolding/Bidder.groovy
+++ b/src/test/groovy/org/prebid/server/functional/testcontainers/scaffolding/Bidder.groovy
@@ -19,25 +19,23 @@ import static org.mockserver.model.JsonPathBody.jsonPath
 
 class Bidder extends NetworkScaffolding {
 
-    private static final String AUCTION_ENDPOINT = "/auction"
-
-    Bidder(MockServerContainer mockServerContainer) {
-        super(mockServerContainer, AUCTION_ENDPOINT)
+    Bidder(MockServerContainer mockServerContainer, String endpoint = "/auction") {
+        super(mockServerContainer, endpoint)
     }
 
     @Override
     protected HttpRequest getRequest(String bidRequestId) {
-        request().withPath(AUCTION_ENDPOINT)
+        request().withPath(endpoint)
                  .withBody(jsonPath("\$[?(@.id == '$bidRequestId')]"))
     }
 
     @Override
     protected HttpRequest getRequest() {
-        request().withPath(AUCTION_ENDPOINT)
+        request().withPath(endpoint)
     }
 
     HttpRequest getRequest(String bidRequestId, String requestMatchPath) {
-        request().withPath(AUCTION_ENDPOINT)
+        request().withPath(endpoint)
                  .withBody(jsonPath("\$[?(@.$requestMatchPath == '$bidRequestId')]"))
     }
 
diff --git a/src/test/groovy/org/prebid/server/functional/tests/TargetingSpec.groovy b/src/test/groovy/org/prebid/server/functional/tests/TargetingSpec.groovy
index 081c578ecfa..960e05b458e 100644
--- a/src/test/groovy/org/prebid/server/functional/tests/TargetingSpec.groovy
+++ b/src/test/groovy/org/prebid/server/functional/tests/TargetingSpec.groovy
@@ -34,6 +34,7 @@ import org.prebid.server.functional.model.response.auction.Prebid
 import org.prebid.server.functional.model.response.auction.SeatBid
 import org.prebid.server.functional.service.PrebidServerException
 import org.prebid.server.functional.service.PrebidServerService
+import org.prebid.server.functional.testcontainers.scaffolding.Bidder
 import org.prebid.server.functional.util.PBSUtils
 
 import java.math.RoundingMode
@@ -1613,9 +1614,11 @@ class TargetingSpec extends BaseSpec {
 
     def "PBS should assign bid ranks across all seatbids combined when the request contains imps with multiple bidders"() {
         given: "PBS config with openX bidder"
+        def endpoint = '/openx-auction'
         def pbsConfig = ["adapters.openx.enabled" : "true",
-                         "adapters.openx.endpoint": "$networkServiceContainer.rootUri/auction".toString()]
+                         "adapters.openx.endpoint": "$networkServiceContainer.rootUri$endpoint".toString()]
         def prebidServerService = pbsServiceFactory.getService(pbsConfig)
+        def openxBidder = new Bidder(networkServiceContainer, endpoint)
 
         and: "Bid request with multiple bidders"
         def bidRequest = BidRequest.getDefaultBidRequest().tap {
@@ -1640,12 +1643,15 @@ class TargetingSpec extends BaseSpec {
             it.dealid = PBSUtils.randomNumber
             it.price = bidPrice
         }
-        def bidResponse = BidResponse.getDefaultBidResponse(bidRequest).tap {
-            it.seatbid = [new SeatBid(bid: [genericBid], seat: GENERIC),
-                          new SeatBid(bid: [openxBid], seat: OPENX)]
+        def bidResponseGeneric = BidResponse.getDefaultBidResponse(bidRequest).tap {
+            it.seatbid = [new SeatBid(bid: [genericBid], seat: GENERIC)]
+        }
+        def bidResponseOpenx = BidResponse.getDefaultBidResponse(bidRequest).tap {
+            it.seatbid = [new SeatBid(bid: [openxBid], seat: OPENX)]
         }
         and: "Set bidder response"
-        bidder.setResponse(bidRequest.id, bidResponse)
+        bidder.setResponse(bidRequest.id, bidResponseGeneric)
+        openxBidder.setResponse(bidRequest.id, bidResponseOpenx)
 
         when: "PBS processes auction request"
         def response = prebidServerService.sendAuctionRequest(bidRequest)
@@ -1654,8 +1660,9 @@ class TargetingSpec extends BaseSpec {
         assert response.seatbid.findAll { it.seat == OPENX }.bid.ext.prebid.rank.flatten() == [MAIN_RANK]
         assert response.seatbid.findAll { it.seat == GENERIC }.bid.ext.prebid.rank.flatten() == [SUBORDINATE_RANK]
 
-        cleanup: "Stop and remove pbs container"
+        cleanup: "Stop and remove pbs container and bidder response"
         pbsServiceFactory.removeContainer(pbsConfig)
+        openxBidder.reset()
     }
 
     def "PBS should assign bid ranks for each imp separately when request has multiple imps and multiBid is configured"() {