Epsilon: fix warnings

Author: johnwier

src/test/java/org/prebid/server/bidder/epsilon/EpsilonBidderTest.java

@@ -720,23 +720,30 @@ public void makeHttpRequestsShouldReturnConvertedBidFloorCurrency() {
     public void makeBidsShouldReturnResultForNativeBidsWithExpectedFields() throws JsonProcessingException {
         // given
 
+        final String nativeRequestString =
+                "{\"ver\":\"1.2\",\"assets\":[{\"id\":1,\"required\":1,\"title\":{\"len\":80}}";
+        final String nativeResponseString =
+                "\"native\"{\"assets\": [{\"id\": 1, \"title\": {\"text\": \"Native test (Title)\"}}], "
+                        + "\"link\": {\"url\": \"https://www.epsilon.com/\"}, "
+                        + "\"imptrackers\":[\"https://iad-usadmm.dotomi.com/event\"],\"jstracker\":\"\"}";
         final BidRequest bidRequest = BidRequest.builder()
                 .id("native-test")
                 .imp(singletonList(Imp.builder()
                         .id("impid-0")
                         .xNative(Native.builder()
-                                .request("{\"ver\":\"1.2\",\"assets\":[{\"id\":1,\"required\":1,\"title\":{\"len\":80}}")
+                                .request(nativeRequestString)
                                 .ver("1.2")
                                 .build())
                         .build()))
                 .build();
 
-        final BidderCall<BidRequest> httpCall = givenHttpCall(bidRequest, mapper.writeValueAsString(BidResponse.builder()
+        final BidderCall<BidRequest> httpCall = givenHttpCall(bidRequest,
+                mapper.writeValueAsString(BidResponse.builder()
                 .seatbid(singletonList(SeatBid.builder()
                         .bid(singletonList(Bid.builder()
                                 .price(BigDecimal.ONE)
                                 .impid("impid-0")
-                                .adm("\"native\"{\"assets\": [{\"id\": 1, \"title\": {\"text\": \"Native test (Title)\"}}], \"link\": {\"url\": \"https://www.epsilon.com/\"}, \"imptrackers\":[\"https://iad-usadmm.dotomi.com/event\"],\"jstracker\":\"\"}")
+                                .adm(nativeResponseString)
                                 .mtype(4)
                                 .cat(singletonList("IAB3"))
                                 .build()))
@@ -755,12 +762,13 @@ public void makeBidsShouldReturnResultForNativeBidsWithExpectedFields() throws J
                         Bid.builder()
                                 .impid("impid-0")
                                 .price(BigDecimal.ONE)
-                                .adm("\"native\"{\"assets\": [{\"id\": 1, \"title\": {\"text\": \"Native test (Title)\"}}], \"link\": {\"url\": \"https://www.epsilon.com/\"}, \"imptrackers\":[\"https://iad-usadmm.dotomi.com/event\"],\"jstracker\":\"\"}")
+                                .adm(nativeResponseString)
                                 .cat(singletonList("IAB3"))
                                 .mtype(4)
                                 .build(),
                         BidType.xNative, "USD"));
     }
+
     private static BidRequest givenBidRequest(
             Function<BidRequest.BidRequestBuilder, BidRequest.BidRequestBuilder> bidRequestCustomizer,
             Function<Imp.ImpBuilder, Imp.ImpBuilder> impCustomizer,