diff --git a/cps-dependencies/pom.xml b/cps-dependencies/pom.xml
index 821422c..5c94387 100755
--- a/cps-dependencies/pom.xml
+++ b/cps-dependencies/pom.xml
@@ -22,6 +22,7 @@
         <snapshotNexusPath>/content/repositories/snapshots/</snapshotNexusPath>
         <modelmapper.version>2.3.8</modelmapper.version>
         <spock-core.version>2.0-M2-groovy-3.0</spock-core.version>
+        <spock-spring.version>1.3-groovy-2.5</spock-spring.version>
         <springboot.version>2.3.3.RELEASE</springboot.version>
         <springfox.version>3.0.0</springfox.version>
         <swagger.version>2.1.4</swagger.version>
@@ -84,6 +85,11 @@
                 <version>${spock-core.version}</version>
             </dependency>
             <dependency>
+                <groupId>org.spockframework</groupId>
+                <artifactId>spock-spring</artifactId>
+                <version>${spock-spring.version}</version>
+            </dependency>
+            <dependency>
                 <groupId>cglib</groupId>
                 <artifactId>cglib-nodep</artifactId>
                 <version>${cglib-nodep.version}</version>
diff --git a/cps-parent/pom.xml b/cps-parent/pom.xml
index 89f9629..9c1760c 100644
--- a/cps-parent/pom.xml
+++ b/cps-parent/pom.xml
@@ -20,7 +20,7 @@
         <base.image>openjdk:11-jre-slim</base.image>
         <java.version>11</java.version>
         <jib-maven-plugin.version>2.6.0</jib-maven-plugin.version>
-        <minimum-coverage>0.20</minimum-coverage>
+        <minimum-coverage>0.35</minimum-coverage>
         <nexusproxy>https://nexus.onap.org</nexusproxy>
         <oparent.version>3.1.0</oparent.version>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
@@ -324,6 +324,7 @@
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-surefire-plugin</artifactId>
                 <configuration>
+                    <!--suppress UnresolvedMavenProperty -->
                     <argLine>${surefireArgLine}</argLine>
                     <useFile>false</useFile>
                     <includes>
@@ -351,6 +352,9 @@
                             <goal>check</goal>
                         </goals>
                         <configuration>
+                            <excludes>
+                                <exclude>org/onap/cps/rest/model/*</exclude>
+                            </excludes>
                             <dataFile>${project.build.directory}/code-coverage/jacoco-ut.exec</dataFile>
                             <rules>
                                 <rule>
diff --git a/cps-rest/pom.xml b/cps-rest/pom.xml
index 3a82ca3..f2f643a 100755
--- a/cps-rest/pom.xml
+++ b/cps-rest/pom.xml
@@ -54,17 +54,6 @@
             <groupId>org.modelmapper</groupId>
             <artifactId>modelmapper</artifactId>
         </dependency>
-        <dependency>
-            <groupId>org.springframework.boot</groupId>
-            <artifactId>spring-boot-starter-test</artifactId>
-            <scope>test</scope>
-            <exclusions>
-                <exclusion>
-                    <groupId>org.junit.vintage</groupId>
-                    <artifactId>junit-vintage-engine</artifactId>
-                </exclusion>
-            </exclusions>
-        </dependency>
         <!-- T E S T   D E P E N D E N C I E S -->
         <dependency>
             <groupId>org.codehaus.groovy</groupId>
@@ -77,10 +66,26 @@
             <scope>test</scope>
         </dependency>
         <dependency>
+            <groupId>org.spockframework</groupId>
+            <artifactId>spock-spring</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
             <groupId>cglib</groupId>
             <artifactId>cglib-nodep</artifactId>
             <scope>test</scope>
         </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+            <scope>test</scope>
+            <exclusions>
+                <exclusion>
+                    <groupId>org.junit.vintage</groupId>
+                    <artifactId>junit-vintage-engine</artifactId>
+                </exclusion>
+            </exclusions>
+        </dependency>
     </dependencies>
 
     <build>
diff --git a/cps-rest/src/main/java/org/onap/cps/rest/exceptions/CpsRestExceptionHandler.java b/cps-rest/src/main/java/org/onap/cps/rest/exceptions/CpsRestExceptionHandler.java
index 00e72a1..54f3db4 100644
--- a/cps-rest/src/main/java/org/onap/cps/rest/exceptions/CpsRestExceptionHandler.java
+++ b/cps-rest/src/main/java/org/onap/cps/rest/exceptions/CpsRestExceptionHandler.java
@@ -37,6 +37,9 @@
 @RestControllerAdvice(assignableTypes = {CpsRestController.class})
 public class CpsRestExceptionHandler {
 
+    private CpsRestExceptionHandler() {
+    }
+
     /**
      * Default exception handler.
      *
diff --git a/cps-rest/src/test/groovy/org/onap/cps/rest/exceptions/CpsRestExceptionHandlerSpec.groovy b/cps-rest/src/test/groovy/org/onap/cps/rest/exceptions/CpsRestExceptionHandlerSpec.groovy
index e427c60..7a777bf 100644
--- a/cps-rest/src/test/groovy/org/onap/cps/rest/exceptions/CpsRestExceptionHandlerSpec.groovy
+++ b/cps-rest/src/test/groovy/org/onap/cps/rest/exceptions/CpsRestExceptionHandlerSpec.groovy
@@ -20,14 +20,18 @@
 package org.onap.cps.rest.exceptions
 
 import groovy.json.JsonSlurper
+import org.modelmapper.ModelMapper
 import org.onap.cps.api.CpsAdminService
 import org.onap.cps.spi.exceptions.AnchorAlreadyDefinedException
 import org.onap.cps.spi.exceptions.CpsException
 import org.onap.cps.spi.exceptions.DataValidationException
 import org.onap.cps.spi.exceptions.NotFoundInDataspaceException
 import org.onap.cps.spi.exceptions.ModelValidationException
-import org.onap.cps.rest.controller.CpsRestController
 import org.onap.cps.spi.exceptions.SchemaSetAlreadyDefinedException
+import org.spockframework.spring.SpringBean
+import org.springframework.beans.factory.annotation.Autowired
+import org.springframework.boot.test.autoconfigure.web.servlet.WebMvcTest
+import org.springframework.test.web.servlet.MockMvc
 import spock.lang.Shared
 import spock.lang.Specification
 import spock.lang.Unroll
@@ -36,10 +40,19 @@
 import static org.springframework.http.HttpStatus.INTERNAL_SERVER_ERROR
 import static org.springframework.http.HttpStatus.NOT_FOUND
 import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get
-import static org.springframework.test.web.servlet.setup.MockMvcBuilders.standaloneSetup
 
+@WebMvcTest
 class CpsRestExceptionHandlerSpec extends Specification {
 
+    @SpringBean
+    CpsAdminService mockCpsAdminService = Mock()
+
+    @SpringBean
+    ModelMapper modelMapper = Mock()
+
+    @Autowired
+    MockMvc mvc
+
     @Shared
     def errorMessage = 'some error message'
     @Shared
@@ -49,14 +62,6 @@
     @Shared
     def existingObjectName = 'MyAdminObject'
 
-    def cpsRestController = new CpsRestController()
-    def mockCpsAdminService = Mock(CpsAdminService.class)
-    def objectUnderTest = new CpsRestExceptionHandler()
-    def mockMvc = standaloneSetup(cpsRestController).setControllerAdvice(objectUnderTest).build()
-
-    def setup() {
-        cpsRestController.cpsAdminService = mockCpsAdminService
-    }
 
     def 'Get request with runtime exception returns HTTP Status Internal Server Error'() {
 
@@ -134,15 +139,15 @@
     }
 
     def performTestRequest() {
-        return mockMvc.perform(get('/v1/dataspaces/dataspace-name/anchors')).andReturn().response
+        return mvc.perform(get('/v1/dataspaces/dataspace-name/anchors')).andReturn().response
     }
 
-    void assertTestResponse(response, expectedStatus, expectedErrorMessage, expectedErrorDetails) {
+    void assertTestResponse(response, expectedStatus,
+                            expectedErrorMessage, expectedErrorDetails) {
         assert response.status == expectedStatus.value()
         def content = new JsonSlurper().parseText(response.contentAsString)
         assert content['status'] == expectedStatus.toString()
         assert content['message'] == expectedErrorMessage
         assert expectedErrorDetails == null || content['details'] == expectedErrorDetails
     }
-
 }
diff --git a/cps-ri/src/main/java/org/onap/cps/spi/repository/FragmentRepository.java b/cps-ri/src/main/java/org/onap/cps/spi/repository/FragmentRepository.java
index 7ae7c13..b1a8992 100755
--- a/cps-ri/src/main/java/org/onap/cps/spi/repository/FragmentRepository.java
+++ b/cps-ri/src/main/java/org/onap/cps/spi/repository/FragmentRepository.java
@@ -25,8 +25,6 @@
 import org.onap.cps.spi.entities.Dataspace;
 import org.onap.cps.spi.entities.Fragment;
 import org.springframework.data.jpa.repository.JpaRepository;
-import org.springframework.data.jpa.repository.Query;
-import org.springframework.data.repository.query.Param;
 import org.springframework.stereotype.Repository;
 
 @Repository
diff --git a/cps-service/src/main/java/org/onap/cps/spi/CpsModulePersistenceService.java b/cps-service/src/main/java/org/onap/cps/spi/CpsModulePersistenceService.java
index 9749d8b..7feae36 100644
--- a/cps-service/src/main/java/org/onap/cps/spi/CpsModulePersistenceService.java
+++ b/cps-service/src/main/java/org/onap/cps/spi/CpsModulePersistenceService.java
@@ -31,13 +31,14 @@
      * TODO
      * clean up method to conform with spi proposal - https://jira.onap.org/browse/CPS-103
      * Store the module from a yang model in the database.
+     * @deprecated
      *
      * @param namespace     module namespace
      * @param moduleContent module content
      * @param revision      module revision
      * @param dataspaceName the name of the dataspace the module is associated with
      */
-    @Deprecated
+    @Deprecated(forRemoval = true)
     void storeModule(final String namespace, final String moduleContent, final String revision,
                      final String dataspaceName);
 
diff --git a/cps-service/src/main/java/org/onap/cps/spi/exceptions/CpsException.java b/cps-service/src/main/java/org/onap/cps/spi/exceptions/CpsException.java
index 406ade6..96a0678 100644
--- a/cps-service/src/main/java/org/onap/cps/spi/exceptions/CpsException.java
+++ b/cps-service/src/main/java/org/onap/cps/spi/exceptions/CpsException.java
@@ -28,26 +28,8 @@
 
     private static final long serialVersionUID = 1592619410918497467L;
 
-    @Getter String details;
-
-    /**
-     * Constructor.
-     *
-     * @param cause the cause of the exception
-     */
-    public CpsException(final Throwable cause) {
-        super(cause.getMessage(), cause);
-    }
-
-    /**
-     * Constructor.
-     *
-     * @param message the error message
-     * @param cause   the cause of the exception
-     */
-    public CpsException(final String message, final Throwable cause) {
-        super(message, cause);
-    }
+    @Getter
+    final String details;
 
     /**
      * Constructor.
diff --git a/cps-service/src/main/java/org/onap/cps/spi/model/DataNode.java b/cps-service/src/main/java/org/onap/cps/spi/model/DataNode.java
index 5ed45ad..8bd4047 100644
--- a/cps-service/src/main/java/org/onap/cps/spi/model/DataNode.java
+++ b/cps-service/src/main/java/org/onap/cps/spi/model/DataNode.java
@@ -24,9 +24,6 @@
 import java.util.Map;
 import lombok.Builder;
 import lombok.Data;
-import lombok.Getter;
-import lombok.NoArgsConstructor;
-import lombok.Setter;
 
 @Data
 @Builder