fix assertions

Author: tsolakoua

src/test/java/com/amadeus/referenceData/locations/HotelIT.java

@@ -5,6 +5,7 @@
 import static com.github.tomakehurst.wiremock.client.WireMock.post;
 import static com.github.tomakehurst.wiremock.client.WireMock.urlEqualTo;
 import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNotEquals;
 import static org.junit.jupiter.api.Assertions.assertNotNull;
 import static org.junit.jupiter.api.Assertions.assertTrue;
 
@@ -196,6 +197,6 @@ public void givenClientWhenCallHotelOffersSearchWithParamsThenOK()
     );
 
     //Then
-    then(result.length).isNotEqualTo(0);
+    assertNotEquals(0, result.length);
   }
 }

src/test/java/com/amadeus/travel/TripParserIT.java

@@ -3,7 +3,7 @@
 import static com.github.tomakehurst.wiremock.client.WireMock.aResponse;
 import static com.github.tomakehurst.wiremock.client.WireMock.post;
 import static com.github.tomakehurst.wiremock.client.WireMock.urlEqualTo;
-import static org.assertj.core.api.BDDAssertions.then;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
 
 import com.amadeus.Amadeus;
 import com.amadeus.exceptions.ResponseException;
@@ -72,7 +72,7 @@ public void given_client_when_call_trip_parser_with_params_then_ok()
     TripDetail result = amadeus.travel.tripParser.post(request);
 
     //Then
-    then(result).isNotNull();
+    assertNotNull(result);
   }
 
   @Test
@@ -92,7 +92,7 @@ public void given_client_when_call_trip_parser_with_params_alternative_1_then_ok
     TripDetail result = amadeus.travel.tripParser.post(request);
 
     //Then
-    then(result).isNotNull();
+    assertNotNull(result);
   }
 
   private JsonObject getRequestFromResources(String jsonFile) throws IOException {