diff --git a/open-weather-connector-test/src_test/com/axonivy/connector/openweather/test/it/AirPollutionProcessTest.java b/open-weather-connector-test/src_test/com/axonivy/connector/openweather/test/it/AirPollutionProcessTest.java
index 1d45f00..8d03a45 100644
--- a/open-weather-connector-test/src_test/com/axonivy/connector/openweather/test/it/AirPollutionProcessTest.java
+++ b/open-weather-connector-test/src_test/com/axonivy/connector/openweather/test/it/AirPollutionProcessTest.java
@@ -5,6 +5,7 @@
 import java.time.Duration;
 import java.time.OffsetDateTime;
 
+import org.apache.http.HttpStatus;
 import org.junit.jupiter.api.Test;
 import org.openweathermap.api.data2_5.client.AirPollution;
 
@@ -21,8 +22,8 @@ public class AirPollutionProcessTest extends BaseProcessTest {
 	@Test
 	public void testGetAirPollutionByGeoCode_ReturnsAirPollution(BpmClient bpmClient) throws NoSuchFieldException {
 		ExecutionResult result = getSubProcessWithNameAndPath(bpmClient, GET_AIR_POLLUTION_PROCESS_PATH,
-				GET_AIR_POLLUTION_BY_GEOCODE_SIGNATURE).execute(40.7127281, -74.0060152);
-		var object = result.data().last().get("result");
+				GET_AIR_POLLUTION_BY_GEOCODE_SIGNATURE).execute(TEST_LON_VALUE, TEST_LAT_VALUE);
+		var object = result.data().last().get(RESULT_KEY);
 		assertThat(object).isInstanceOf(AirPollution.class);
 	}
 
@@ -32,7 +33,7 @@ public void testGetAirPollutionByGeoCode_ThrowsBpmException(BpmClient bpmClient)
 			getSubProcessWithNameAndPath(bpmClient, GET_AIR_POLLUTION_PROCESS_PATH,
 					GET_AIR_POLLUTION_BY_GEOCODE_SIGNATURE).execute(null, null);
 		} catch (BpmError e) {
-			assertThat(e.getHttpStatusCode()).isEqualTo(400);
+			assertThat(e.getHttpStatusCode()).isEqualTo(HttpStatus.SC_BAD_REQUEST);
 		}
 	}
 
@@ -40,8 +41,8 @@ public void testGetAirPollutionByGeoCode_ThrowsBpmException(BpmClient bpmClient)
 	public void testGetForecastAirPollutionByGeoCode_ReturnsAirPollution(BpmClient bpmClient)
 			throws NoSuchFieldException {
 		ExecutionResult result = getSubProcessWithNameAndPath(bpmClient, GET_AIR_POLLUTION_PROCESS_PATH,
-				GET_FORECAST_AIR_POLLUTION_BY_GEOCODE_SIGNATURE).execute(40.7127281, -74.0060152);
-		var object = result.data().last().get("result");
+				GET_FORECAST_AIR_POLLUTION_BY_GEOCODE_SIGNATURE).execute(TEST_LON_VALUE, TEST_LAT_VALUE);
+		var object = result.data().last().get(RESULT_KEY);
 		assertThat(object).isInstanceOf(AirPollution.class);
 	}
 
@@ -52,7 +53,7 @@ public void testGetForecastAirPollutionByGeoCode_ThrowsBpmException(BpmClient bp
 			getSubProcessWithNameAndPath(bpmClient, GET_AIR_POLLUTION_PROCESS_PATH,
 					GET_FORECAST_AIR_POLLUTION_BY_GEOCODE_SIGNATURE).execute(null, null);
 		} catch (BpmError e) {
-			assertThat(e.getHttpStatusCode()).isEqualTo(400);
+			assertThat(e.getHttpStatusCode()).isEqualTo(HttpStatus.SC_BAD_REQUEST);
 		}
 	}
 
@@ -62,8 +63,9 @@ public void testGetHistoricalAirPollutionByGeoCode_ReturnsAirPollution(BpmClient
 		OffsetDateTime now = OffsetDateTime.now();
 		OffsetDateTime twoDaysLater = now.plus(Duration.ofDays(2));
 		ExecutionResult result = getSubProcessWithNameAndPath(bpmClient, GET_AIR_POLLUTION_PROCESS_PATH,
-				GET_HISTORICAL_AIR_POLLUTION_BY_GEOCODE_SIGNATURE).execute(40.7127281, -74.0060152, now, twoDaysLater);
-		var object = result.data().last().get("result");
+				GET_HISTORICAL_AIR_POLLUTION_BY_GEOCODE_SIGNATURE)
+				.execute(TEST_LON_VALUE, TEST_LAT_VALUE, now, twoDaysLater);
+		var object = result.data().last().get(RESULT_KEY);
 		assertThat(object).isInstanceOf(AirPollution.class);
 	}
 
@@ -76,7 +78,7 @@ public void testGetHistoricalAirPollutionByGeoCode_ThrowsBpmExceptionCanNotGeo(B
 			getSubProcessWithNameAndPath(bpmClient, GET_AIR_POLLUTION_PROCESS_PATH,
 					GET_HISTORICAL_AIR_POLLUTION_BY_GEOCODE_SIGNATURE).execute(null, null, now, twoDaysLater);
 		} catch (BpmError e) {
-			assertThat(e.getHttpStatusCode()).isEqualTo(400);
+			assertThat(e.getHttpStatusCode()).isEqualTo(HttpStatus.SC_BAD_REQUEST);
 		}
 	}
 
@@ -88,9 +90,9 @@ public void testGetHistoricalAirPollutionByGeoCode_ThrowsBpmExceptionStartMoreTh
 		try {
 			getSubProcessWithNameAndPath(bpmClient, GET_AIR_POLLUTION_PROCESS_PATH,
 					GET_HISTORICAL_AIR_POLLUTION_BY_GEOCODE_SIGNATURE)
-					.execute(40.7127281, -74.0060152, twoDaysLater, now);
+					.execute(TEST_LON_VALUE, TEST_LAT_VALUE, twoDaysLater, now);
 		} catch (BpmError e) {
-			assertThat(e.getHttpStatusCode()).isEqualTo(400);
+			assertThat(e.getHttpStatusCode()).isEqualTo(HttpStatus.SC_BAD_REQUEST);
 		}
 	}
 }
diff --git a/open-weather-connector-test/src_test/com/axonivy/connector/openweather/test/it/BaseProcessTest.java b/open-weather-connector-test/src_test/com/axonivy/connector/openweather/test/it/BaseProcessTest.java
index 9877cf3..3de064d 100644
--- a/open-weather-connector-test/src_test/com/axonivy/connector/openweather/test/it/BaseProcessTest.java
+++ b/open-weather-connector-test/src_test/com/axonivy/connector/openweather/test/it/BaseProcessTest.java
@@ -24,6 +24,11 @@ public class BaseProcessTest {
 	private static final String LOCAL_CREDENTIALS_FILE_PATH = "credentials.properties";
 	private static final String WEATHER_DATA_REST_CLIENT_NAME = "WeatherData (Openweathermap weather API)";
 	private static final String GEO_DATA_REST_CLIENT_NAME = "GeocodingCoordinates (Openweathermap geocoding API)";
+	protected static final String RESULT_KEY = "result";
+	protected static final String RESULTS_KEY = "results";
+	protected static final Double TEST_LON_VALUE = 40.7484;
+	protected static final Double TEST_LAT_VALUE = -73.9967;
+	protected static final String TEST_ZIPCODE_VALUE = "10001";
 	private static String appId;
 	private static String weatherDataUrl;
 	private static String weatherGeoUrl;
diff --git a/open-weather-connector-test/src_test/com/axonivy/connector/openweather/test/it/CurrentWeatherProcessTest.java b/open-weather-connector-test/src_test/com/axonivy/connector/openweather/test/it/CurrentWeatherProcessTest.java
index e516450..a7939e3 100644
--- a/open-weather-connector-test/src_test/com/axonivy/connector/openweather/test/it/CurrentWeatherProcessTest.java
+++ b/open-weather-connector-test/src_test/com/axonivy/connector/openweather/test/it/CurrentWeatherProcessTest.java
@@ -3,6 +3,7 @@
 import static org.assertj.core.api.Assertions.assertThat;
 
 import org.apache.commons.lang3.StringUtils;
+import org.apache.http.HttpStatus;
 import org.junit.jupiter.api.Test;
 import org.openweathermap.api.data2_5.client.Current;
 
@@ -18,8 +19,8 @@ public class CurrentWeatherProcessTest extends BaseProcessTest {
 	public void testGetCurrentWeatherByGeoCode_ReturnsCurrentWeather(BpmClient bpmClient) throws NoSuchFieldException {
 		ExecutionResult result = getSubProcessWithNameAndPath(bpmClient, GET_CURRENT_WEATHER_PROCESS_PATH,
 				GET_CURRENT_WEATHER_BY_GEOCODE_SIGNATURE)
-				.execute(40.7127281, -74.0060152, StringUtils.EMPTY, StringUtils.EMPTY);
-		var object = result.data().last().get("result");
+				.execute(TEST_LON_VALUE, TEST_LAT_VALUE, StringUtils.EMPTY, StringUtils.EMPTY);
+		var object = result.data().last().get(RESULT_KEY);
 		assertThat(object).isInstanceOf(Current.class);
 	}
 
@@ -29,7 +30,7 @@ public void testGetCurrentWeatherByGeoCode_ThrowsBpmException(BpmClient bpmClien
 			getSubProcessWithNameAndPath(bpmClient, GET_CURRENT_WEATHER_PROCESS_PATH,
 					GET_CURRENT_WEATHER_BY_GEOCODE_SIGNATURE).execute(null, null, StringUtils.EMPTY, StringUtils.EMPTY);
 		} catch (BpmError e) {
-			assertThat(e.getHttpStatusCode()).isEqualTo(400);
+			assertThat(e.getHttpStatusCode()).isEqualTo(HttpStatus.SC_BAD_REQUEST);
 		}
 	}
 }
diff --git a/open-weather-connector-test/src_test/com/axonivy/connector/openweather/test/it/ForecastWeatherProcessTest.java b/open-weather-connector-test/src_test/com/axonivy/connector/openweather/test/it/ForecastWeatherProcessTest.java
index 505c8d1..1a6fa3a 100644
--- a/open-weather-connector-test/src_test/com/axonivy/connector/openweather/test/it/ForecastWeatherProcessTest.java
+++ b/open-weather-connector-test/src_test/com/axonivy/connector/openweather/test/it/ForecastWeatherProcessTest.java
@@ -3,6 +3,7 @@
 import static org.assertj.core.api.Assertions.assertThat;
 
 import org.apache.commons.lang3.StringUtils;
+import org.apache.http.HttpStatus;
 import org.junit.jupiter.api.Test;
 import org.openweathermap.api.data2_5.client.Forecast;
 
@@ -19,8 +20,8 @@ public class ForecastWeatherProcessTest extends BaseProcessTest {
 	public void testGetForecastWeatherByGeoCode_ReturnsForecast(BpmClient bpmClient) throws NoSuchFieldException {
 		ExecutionResult result = getSubProcessWithNameAndPath(bpmClient, GET_FORECAST_PROCESS_PATH,
 				GET_FORECAST_BY_GEOCODE_SIGNATURE)
-				.execute(40.7127281, -74.0060152, 1, StringUtils.EMPTY, StringUtils.EMPTY);
-		var object = result.data().last().get("result");
+				.execute(TEST_LON_VALUE, TEST_LAT_VALUE, 1, StringUtils.EMPTY, StringUtils.EMPTY);
+		var object = result.data().last().get(RESULT_KEY);
 		assertThat(object).isInstanceOf(Forecast.class);
 	}
 
@@ -30,7 +31,7 @@ public void testGetForecastByGeoCode_ThrowsBpmException(BpmClient bpmClient) thr
 			getSubProcessWithNameAndPath(bpmClient, GET_FORECAST_PROCESS_PATH, GET_FORECAST_BY_GEOCODE_SIGNATURE)
 					.execute(null, null, 1, StringUtils.EMPTY, StringUtils.EMPTY);
 		} catch (BpmError e) {
-			assertThat(e.getHttpStatusCode()).isEqualTo(400);
+			assertThat(e.getHttpStatusCode()).isEqualTo(HttpStatus.SC_BAD_REQUEST);
 		}
 	}
 }
diff --git a/open-weather-connector-test/src_test/com/axonivy/connector/openweather/test/it/GeocodingLocationProcessTest.java b/open-weather-connector-test/src_test/com/axonivy/connector/openweather/test/it/GeocodingLocationProcessTest.java
index 0b5bc21..4e1a1bf 100644
--- a/open-weather-connector-test/src_test/com/axonivy/connector/openweather/test/it/GeocodingLocationProcessTest.java
+++ b/open-weather-connector-test/src_test/com/axonivy/connector/openweather/test/it/GeocodingLocationProcessTest.java
@@ -6,6 +6,7 @@
 import java.util.List;
 
 import org.apache.commons.lang3.StringUtils;
+import org.apache.http.HttpStatus;
 import org.junit.jupiter.api.Test;
 import org.openweathermap.api.geo1_0.client.GeoLocation;
 
@@ -24,7 +25,7 @@ public class GeocodingLocationProcessTest extends BaseProcessTest {
 	public void testGeocodingByName_ReturnsListOfGeoLocations(BpmClient bpmClient) throws NoSuchFieldException {
 		ExecutionResult result = getSubProcessWithNameAndPath(bpmClient, GEOCODING_LOCATION_PROCESS_PATH,
 				GEOCODING_LOCATION_BY_NAME_SIGNATURE).execute("London", StringUtils.EMPTY, StringUtils.EMPTY, 1);
-		var object = result.data().last().get("results");
+		var object = result.data().last().get(RESULTS_KEY);
 		assertThat(object).isInstanceOf(List.class);
 		var objects = (ArrayList<?>) object;
 		assertThat(objects).isNotEmpty();
@@ -38,15 +39,15 @@ public void testGeocodingByName_ThrowsBpmException(BpmClient bpmClient) throws N
 					GEOCODING_LOCATION_BY_NAME_SIGNATURE)
 					.execute(StringUtils.EMPTY, StringUtils.EMPTY, StringUtils.EMPTY, 1);
 		} catch (BpmError e) {
-			assertThat(e.getHttpStatusCode()).isEqualTo(400);
+			assertThat(e.getHttpStatusCode()).isEqualTo(HttpStatus.SC_BAD_REQUEST);
 		}
 	}
 
 	@Test
 	public void testGeocodingByZip_ReturnsGeoLocation(BpmClient bpmClient) throws NoSuchFieldException {
 		ExecutionResult result = getSubProcessWithNameAndPath(bpmClient, GEOCODING_LOCATION_PROCESS_PATH,
-				GEOCODING_LOCATION_BY_ZIP_CODE_SIGNATURE).execute("10001", StringUtils.EMPTY);
-		var object = result.data().last().get("result");
+				GEOCODING_LOCATION_BY_ZIP_CODE_SIGNATURE).execute(TEST_ZIPCODE_VALUE, StringUtils.EMPTY);
+		var object = result.data().last().get(RESULT_KEY);
 		assertThat(object).isInstanceOf(GeoLocation.class);
 	}
 
@@ -56,15 +57,15 @@ public void testGeocodingByZip_ThrowsBpmException(BpmClient bpmClient) throws No
 			getSubProcessWithNameAndPath(bpmClient, GEOCODING_LOCATION_PROCESS_PATH,
 					GEOCODING_LOCATION_BY_ZIP_CODE_SIGNATURE).execute(StringUtils.EMPTY, StringUtils.EMPTY);
 		} catch (BpmError e) {
-			assertThat(e.getHttpStatusCode()).isEqualTo(400);
+			assertThat(e.getHttpStatusCode()).isEqualTo(HttpStatus.SC_BAD_REQUEST);
 		}
 	}
 
 	@Test
 	public void testReverse_ReturnsListOfGeoLocations(BpmClient bpmClient) throws NoSuchFieldException {
 		ExecutionResult result = getSubProcessWithNameAndPath(bpmClient, GEOCODING_LOCATION_PROCESS_PATH,
-				GEOCODING_LOCATION_REVERSE_SIGNATURE).execute(40.7484, -73.9967, 1);
-		var object = result.data().last().get("results");
+				GEOCODING_LOCATION_REVERSE_SIGNATURE).execute(TEST_LON_VALUE, TEST_LAT_VALUE, 1);
+		var object = result.data().last().get(RESULTS_KEY);
 		assertThat(object).isInstanceOf(List.class);
 		var objects = (ArrayList<?>) object;
 		assertThat(objects).isNotEmpty();
@@ -77,7 +78,7 @@ public void testReverse_ThrowsBpmException(BpmClient bpmClient) throws NoSuchFie
 			getSubProcessWithNameAndPath(bpmClient, GEOCODING_LOCATION_PROCESS_PATH,
 					GEOCODING_LOCATION_REVERSE_SIGNATURE).execute(null, null, 1);
 		} catch (BpmError e) {
-			assertThat(e.getHttpStatusCode()).isEqualTo(400);
+			assertThat(e.getHttpStatusCode()).isEqualTo(HttpStatus.SC_BAD_REQUEST);
 		}
 	}
 }