diff --git a/authentication/authentication-common/src/test/java/io/mosip/authentication/common/service/integration/CredentialRequestManagerTest.java b/authentication/authentication-common/src/test/java/io/mosip/authentication/common/service/integration/CredentialRequestManagerTest.java
new file mode 100644
index 00000000000..841f24a3adc
--- /dev/null
+++ b/authentication/authentication-common/src/test/java/io/mosip/authentication/common/service/integration/CredentialRequestManagerTest.java
@@ -0,0 +1,191 @@
+package io.mosip.authentication.common.service.integration;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import io.mosip.authentication.common.service.factory.RestRequestFactory;
+import io.mosip.authentication.common.service.integration.dto.OtpGeneratorRequestDto;
+import io.mosip.authentication.common.service.integration.dto.OtpGeneratorResponseDto;
+import io.mosip.authentication.core.constant.RestServicesConstants;
+import io.mosip.authentication.core.exception.IDDataValidationException;
+import io.mosip.idrepository.core.constant.IdRepoErrorConstants;
+import io.mosip.idrepository.core.dto.RestRequestDTO;
+import io.mosip.idrepository.core.exception.RestServiceException;
+import io.mosip.idrepository.core.helper.RestHelper;
+import io.mosip.kernel.core.http.ResponseWrapper;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.InjectMocks;
+import org.mockito.Mock;
+import org.mockito.Mockito;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.autoconfigure.web.servlet.WebMvcTest;
+import org.springframework.http.HttpMethod;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.TestContext;
+import org.springframework.test.context.junit4.SpringRunner;
+import org.springframework.test.util.ReflectionTestUtils;
+import org.springframework.web.context.WebApplicationContext;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+@RunWith(SpringRunner.class)
+@WebMvcTest
+@ContextConfiguration(classes = {TestContext.class, WebApplicationContext.class})
+public class CredentialRequestManagerTest {
+
+    /** The Credential Request Manager. */
+    @InjectMocks
+    private CredentialRequestManager credentialRequestManager;
+
+    @Mock
+    private RestRequestFactory restRequestFactory;
+
+    @Mock
+    private RestHelper restHelper;
+
+    /** The object mapper. */
+    @Autowired
+    private ObjectMapper objectMapper;
+
+    @Mock
+    private RestRequestDTO restRequestDTO;
+
+    private OtpGeneratorRequestDto otpGeneratorRequestDto;
+
+    /**
+     * Before.
+     */
+    @Before
+    public void Before(){
+        ReflectionTestUtils.setField(credentialRequestManager, "restRequestFactory", restRequestFactory);
+        ReflectionTestUtils.setField(credentialRequestManager, "restHelper", restHelper);
+        ReflectionTestUtils.setField(credentialRequestManager, "objectMapper", objectMapper);
+    }
+
+    /**
+     * This class tests the getMissingCredentialsPageItems method
+     * @throws RestServiceException
+     * @throws IDDataValidationException
+     */
+    @Test
+    public void getMissingCredentialsPageItemsTest() throws RestServiceException, IDDataValidationException {
+        int currentPageIndex =1;
+        String effectivedtimes="effectivedtimes";
+        //request
+        RestRequestDTO restRequestDTO = getRestRequestDTO();
+        //Response
+        ResponseWrapper<Map> response = new ResponseWrapper<>();
+        Map<String, Object> res = new HashMap<>();
+        List<Map<String, Object>> data = new ArrayList<>();
+        res.put("data", data);
+        response.setResponse(res);
+
+        Mockito.when(restRequestFactory.buildRequest(
+                RestServicesConstants.CRED_REQUEST_GET_REQUEST_IDS, null, ResponseWrapper.class)).thenReturn(restRequestDTO);
+        Mockito.when(restHelper.requestSync(Mockito.any())).thenReturn(response);
+        credentialRequestManager.getMissingCredentialsPageItems(currentPageIndex, effectivedtimes);
+
+        //if data!=null
+        res.put("data", null);
+        Mockito.when(restHelper.requestSync(Mockito.any())).thenReturn(response);
+        credentialRequestManager.getMissingCredentialsPageItems(currentPageIndex, effectivedtimes);
+    }
+
+    /**
+     * This class tests the getMissingCredentialsPageItems method
+     * @throws RestServiceException
+     * @throws IDDataValidationException
+     */
+    @Test(expected = IDDataValidationException.class)
+    public void getMissingCredentialsPageItemsException1Test() throws RestServiceException, IDDataValidationException {
+        int currentPageIndex =1;
+        String effectivedtimes="effectivedtimes";
+        Mockito.doThrow(IDDataValidationException.class).when(restRequestFactory).buildRequest(RestServicesConstants.CRED_REQUEST_GET_REQUEST_IDS, null, ResponseWrapper.class);
+        credentialRequestManager.getMissingCredentialsPageItems(currentPageIndex, effectivedtimes);
+    }
+
+    /**
+     * This class tests the getMissingCredentialsPageItems method
+     * @throws RestServiceException
+     * @throws IDDataValidationException
+     */
+    @Test(expected = RestServiceException.class)
+    public void getMissingCredentialsPageItemsException2Test() throws RestServiceException, IDDataValidationException {
+        int currentPageIndex =1;
+        String effectivedtimes="effectivedtimes";
+        //request
+        RestRequestDTO restRequestDTO = getRestRequestDTO();
+        //Response
+        ResponseWrapper<RestRequestDTO> response = new ResponseWrapper<>();
+
+        Mockito.when(restRequestFactory.buildRequest(
+                RestServicesConstants.CRED_REQUEST_GET_REQUEST_IDS, null, ResponseWrapper.class)).thenReturn(restRequestDTO);
+        Mockito.when(restHelper.requestSync(Mockito.any())).thenThrow(new RestServiceException(
+                IdRepoErrorConstants.CLIENT_ERROR, response.toString(), response));
+        credentialRequestManager.getMissingCredentialsPageItems(currentPageIndex, effectivedtimes);
+    }
+
+    /**
+     * This class tests the retriggerCredentialIssuance method
+     * @throws RestServiceException
+     * @throws IDDataValidationException
+     */
+    @Test
+    public void retriggerCredentialIssuanceTest() throws RestServiceException, IDDataValidationException {
+        String requestId = "requestId";
+        //request
+        RestRequestDTO restRequestDTO = getRestRequestDTO();
+        //Response
+        ResponseWrapper<RestRequestDTO> response = new ResponseWrapper<>();
+
+        Mockito.when(restRequestFactory.buildRequest(
+                RestServicesConstants.CRED_REQUEST_RETRIGGER_CRED_ISSUANCE, null, ResponseWrapper.class)).thenReturn(restRequestDTO);
+        Mockito.when(restHelper.requestSync(Mockito.any())).thenReturn(response);
+        credentialRequestManager.retriggerCredentialIssuance(requestId);
+    }
+
+    /**
+     * This class tests the retriggerCredentialIssuance method
+     * @throws RestServiceException
+     * @throws IDDataValidationException
+     */
+    @Test(expected = RestServiceException.class)
+    public void retriggerCredentialIssuanceException1Test() throws RestServiceException, IDDataValidationException {
+        String requestId = "requestId";
+        RestRequestDTO request = new RestRequestDTO();
+        Mockito.when(restRequestFactory.buildRequest(
+                RestServicesConstants.CRED_REQUEST_RETRIGGER_CRED_ISSUANCE, null, ResponseWrapper.class)).thenReturn(request);
+        Map<String, String> pathVariables = Map.of("requestId", requestId);
+        request.setPathVariables(pathVariables);
+        Mockito.doThrow(RestServiceException.class).when(restHelper).requestSync(request);
+        credentialRequestManager.retriggerCredentialIssuance(requestId);
+    }
+
+    /**
+     * This class tests the retriggerCredentialIssuance method
+     * @throws RestServiceException
+     * @throws IDDataValidationException
+     */
+    @Test(expected = IDDataValidationException.class)
+    public void retriggerCredentialIssuanceException2Test() throws RestServiceException, IDDataValidationException {
+        String requestId = "requestId";
+        Mockito.doThrow(IDDataValidationException.class).when(restRequestFactory).buildRequest(RestServicesConstants.CRED_REQUEST_RETRIGGER_CRED_ISSUANCE, null, ResponseWrapper.class);
+        credentialRequestManager.retriggerCredentialIssuance(requestId);
+    }
+
+    private RestRequestDTO getRestRequestDTO() {
+        RestRequestDTO restRequestDTO = new RestRequestDTO();
+        restRequestDTO.setHttpMethod(HttpMethod.POST);
+        restRequestDTO.setUri("http://localhost:8083/cred_request_manager/otps");
+        restRequestDTO.setRequestBody(otpGeneratorRequestDto);
+        restRequestDTO.setResponseType(OtpGeneratorResponseDto.class);
+        restRequestDTO.setTimeout(23);
+        Map<String, String> pathVariables = Map.of("pageNumber", String.valueOf(1),
+                "effectivedtimes", "effectivedtimes");
+        restRequestDTO.setPathVariables(pathVariables);
+        return restRequestDTO;
+    }
+}