diff --git a/cps-ri/pom.xml b/cps-ri/pom.xml
index db274f7..25dc91c 100644
--- a/cps-ri/pom.xml
+++ b/cps-ri/pom.xml
@@ -33,7 +33,7 @@
     <artifactId>cps-ri</artifactId>
 
     <properties>
-        <minimum-coverage>0.64</minimum-coverage>
+        <minimum-coverage>0.54</minimum-coverage>
         <!-- Additional coverage is provided by integration-test module -->
     </properties>
 
diff --git a/cps-ri/src/main/java/org/onap/cps/spi/impl/CpsAdminPersistenceServiceImpl.java b/cps-ri/src/main/java/org/onap/cps/spi/impl/CpsAdminPersistenceServiceImpl.java
index 162b268..6f9f5a4 100755
--- a/cps-ri/src/main/java/org/onap/cps/spi/impl/CpsAdminPersistenceServiceImpl.java
+++ b/cps-ri/src/main/java/org/onap/cps/spi/impl/CpsAdminPersistenceServiceImpl.java
@@ -198,12 +198,10 @@
             verifyDataspaceName(dataspaceName);
         }
         if (inputModuleNames.size() > retrievedModuleReferences.size()) {
-            final List<String> moduleNamesNotFound = inputModuleNames.stream()
+            final List<String> unknownModules = inputModuleNames.stream()
                 .filter(moduleName -> !retrievedModuleReferences.contains(moduleName))
                 .collect(Collectors.toList());
-            if (!moduleNamesNotFound.isEmpty()) {
-                throw new ModuleNamesNotFoundException(dataspaceName, moduleNamesNotFound);
-            }
+            throw new ModuleNamesNotFoundException(dataspaceName, unknownModules);
         }
     }
 
diff --git a/cps-ri/src/test/groovy/org/onap/cps/spi/impl/CpsAdminPersistenceServiceSpec.groovy b/cps-ri/src/test/groovy/org/onap/cps/spi/impl/CpsAdminPersistenceServiceSpec.groovy
deleted file mode 100644
index 28d3bcf..0000000
--- a/cps-ri/src/test/groovy/org/onap/cps/spi/impl/CpsAdminPersistenceServiceSpec.groovy
+++ /dev/null
@@ -1,263 +0,0 @@
-/*
- *  ============LICENSE_START=======================================================
- *  Copyright (C) 2021-2023 Nordix Foundation
- *  Modifications Copyright (C) 2021 Pantheon.tech
- *  Modifications Copyright (C) 2022 Bell Canada
- *  Modifications Copyright (C) 2022 TechMahindra Ltd.
- *  ================================================================================
- *  Licensed under the Apache License, Version 2.0 (the "License");
- *  you may not use this file except in compliance with the License.
- *  You may obtain a copy of the License at
- *
- *        http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- *
- *  SPDX-License-Identifier: Apache-2.0
- *  ============LICENSE_END=========================================================
- */
-
-package org.onap.cps.spi.impl
-
-import org.mockito.Mock
-import org.onap.cps.spi.CpsAdminPersistenceService
-import org.onap.cps.spi.exceptions.AlreadyDefinedException
-import org.onap.cps.spi.exceptions.AnchorNotFoundException
-import org.onap.cps.spi.exceptions.DataspaceInUseException
-import org.onap.cps.spi.exceptions.DataspaceNotFoundException
-import org.onap.cps.spi.exceptions.SchemaSetNotFoundException
-import org.onap.cps.spi.model.Anchor
-import org.onap.cps.spi.model.Dataspace
-import org.springframework.beans.factory.annotation.Autowired
-import org.springframework.test.context.jdbc.Sql
-import org.testcontainers.shaded.com.fasterxml.jackson.databind.ObjectMapper
-
-class CpsAdminPersistenceServiceSpec extends CpsPersistenceSpecBase {
-
-    @Autowired
-    CpsAdminPersistenceService objectUnderTest
-
-    @Mock
-    ObjectMapper objectMapper
-
-    static final String SET_DATA = '/data/anchor.sql'
-    static final String SAMPLE_DATA_FOR_ANCHORS_WITH_MODULES = '/data/anchors-schemaset-modules.sql'
-    static final String DATASPACE_WITH_NO_DATA = 'DATASPACE-002-NO-DATA'
-    static final Integer DELETED_ANCHOR_ID = 3002
-
-    @Sql(CLEAR_DATA)
-    def 'Create and retrieve a new dataspace.'() {
-        when: 'a new dataspace is created'
-            def dataspaceName = 'some-new-dataspace'
-            objectUnderTest.createDataspace(dataspaceName)
-        then: 'that dataspace can be retrieved from the dataspace repository'
-            def dataspaceEntity = dataspaceRepository.findByName(dataspaceName).orElseThrow()
-            dataspaceEntity.id != null
-            dataspaceEntity.name == dataspaceName
-    }
-
-    @Sql([CLEAR_DATA, SET_DATA])
-    def 'Attempt to create a duplicate dataspace.'() {
-        when: 'an attempt is made to create an already existing dataspace'
-            objectUnderTest.createDataspace(DATASPACE_NAME)
-        then: 'an exception that is is already defined is thrown with the correct details'
-            def thrown = thrown(AlreadyDefinedException)
-            thrown.details.contains(DATASPACE_NAME)
-    }
-
-    @Sql([CLEAR_DATA, SET_DATA])
-    def 'Get a dataspace.'() {
-        when: 'dataspace is retrieved'
-            def dataspace = objectUnderTest.getDataspace(DATASPACE_NAME)
-        then: ' the response contains expected dataspace'
-            assert dataspace.getName().equals(DATASPACE_NAME);
-    }
-
-    @Sql([CLEAR_DATA, SET_DATA])
-    def 'Get all dataspaces.'() {
-        when: 'all dataspaces are retrieved'
-            def dataspaces = objectUnderTest.getAllDataspaces()
-        then: 'the response contains expected dataspaces'
-            def expectedDataspaces = Set.of(new Dataspace(name: 'DATASPACE-001'), new Dataspace(name: 'DATASPACE-002-NO-DATA'),
-                     new Dataspace(name: 'DATASPACE-003'))
-            assert dataspaces == expectedDataspaces
-    }
-
-    @Sql([CLEAR_DATA, SET_DATA])
-    def 'Get non existing dataspace.'() {
-        when: 'attempting to retrieve a non-existing dataspace'
-            def dataspace = objectUnderTest.getDataspace('non_existing_dataspace')
-        then: 'an DataspaceNotFoundException is thrown'
-            thrown(DataspaceNotFoundException)
-    }
-
-    @Sql([CLEAR_DATA, SET_DATA])
-    def 'Create and retrieve a new anchor.'() {
-        when: 'a new anchor is created'
-            def newAnchorName = 'my-new-anchor'
-            objectUnderTest.createAnchor(DATASPACE_NAME, SCHEMA_SET_NAME1, newAnchorName)
-        then: 'that anchor can be retrieved'
-            def anchor = objectUnderTest.getAnchor(DATASPACE_NAME, newAnchorName)
-            anchor.name == newAnchorName
-            anchor.dataspaceName == DATASPACE_NAME
-            anchor.schemaSetName == SCHEMA_SET_NAME1
-    }
-
-    @Sql([CLEAR_DATA, SET_DATA])
-    def 'Create anchor error scenario: #scenario.'() {
-        when: 'attempt to create new anchor named #anchorName in dataspace #dataspaceName with #schemaSetName'
-            objectUnderTest.createAnchor(dataspaceName, schemaSetName, anchorName)
-        then: 'an #expectedException is thrown'
-            thrown(expectedException)
-        where: 'the following data is used'
-            scenario                    | dataspaceName  | schemaSetName    | anchorName     || expectedException
-            'dataspace does not exist'  | 'unknown'      | 'not-relevant'   | 'not-relevant' || DataspaceNotFoundException
-            'schema set does not exist' | DATASPACE_NAME | 'unknown'        | 'not-relevant' || SchemaSetNotFoundException
-            'anchor already exists'     | DATASPACE_NAME | SCHEMA_SET_NAME1 | ANCHOR_NAME1   || AlreadyDefinedException
-    }
-
-    @Sql([CLEAR_DATA, SET_DATA])
-    def 'Get anchor error scenario: #scenario.'() {
-        when: 'attempt to get anchor named #anchorName in dataspace #dataspaceName'
-            objectUnderTest.getAnchor(dataspaceName, anchorName)
-        then: 'an #expectedException is thrown'
-            thrown(expectedException)
-        where: 'the following data is used'
-            scenario                   | dataspaceName  | anchorName     || expectedException
-            'dataspace does not exist' | 'unknown'      | 'not-relevant' || DataspaceNotFoundException
-            'anchor does not exists'   | DATASPACE_NAME | 'unknown'      || AnchorNotFoundException
-    }
-
-    @Sql([CLEAR_DATA, SET_DATA])
-    def 'Get all anchors in dataspace #dataspaceName.'() {
-        when: 'all anchors are retrieved from #DATASPACE_NAME'
-            def result = objectUnderTest.getAnchors(dataspaceName)
-        then: 'the expected collection of anchors is returned'
-            result.size() == expectedAnchors.size()
-            result.containsAll(expectedAnchors)
-        where: 'the following data is used'
-            dataspaceName          || expectedAnchors
-            DATASPACE_NAME         || [Anchor.builder().name(ANCHOR_NAME1).schemaSetName(SCHEMA_SET_NAME1).dataspaceName(DATASPACE_NAME).build(),
-                                       Anchor.builder().name(ANCHOR_NAME2).schemaSetName(SCHEMA_SET_NAME2).dataspaceName(DATASPACE_NAME).build(),
-                                       Anchor.builder().name(ANCHOR_NAME3).schemaSetName(SCHEMA_SET_NAME2).dataspaceName(DATASPACE_NAME).build()]
-            DATASPACE_WITH_NO_DATA || []
-    }
-
-    @Sql([CLEAR_DATA, SET_DATA])
-    def 'Get all anchors associated with schemaset in a dataspace.'() {
-        when: 'anchors are retrieved by dataspace and schema-set'
-            def anchors = objectUnderTest.getAnchors(dataspace, schemasetName)
-        then: ' the response contains expected anchors'
-            anchors == expectedAnchors
-        where:
-            scenario     | dataspace       | schemasetName               || expectedAnchors
-            'no-anchors' | 'DATASPACE-003' | 'SCHEMA-SET-002-NO-ANCHORS' || Collections.emptySet()
-            'one-anchor' | 'DATASPACE-001' | 'SCHEMA-SET-001'            || Set.of(new Anchor('ANCHOR-001', 'DATASPACE-001', 'SCHEMA-SET-001'))
-    }
-
-    @Sql([CLEAR_DATA, SET_DATA])
-    def 'Error Handling: Get all anchors associated with schemaset in a dataspace.'() {
-        when: 'anchors are retrieved by dataspace and schema-set'
-            def anchors = objectUnderTest.getAnchors(dataspace, schemasetName)
-        then: ' an expected expception is thrown'
-            thrown(expectedException)
-        where:
-            scenario            | dataspace       | schemasetName               || expectedException
-            'unknown-dataspace' | 'unknown'       | 'SCHEMA-SET-002-NO-ANCHORS' || DataspaceNotFoundException
-            'unknown-schemaset' | 'DATASPACE-001' | 'unknown-schema-set'        || SchemaSetNotFoundException
-    }
-
-    @Sql(CLEAR_DATA)
-    def 'Get all anchors in unknown dataspace.'() {
-        when: 'attempt to get all anchors in an unknown dataspace'
-            objectUnderTest.getAnchors('unknown-dataspace')
-        then: 'an DataspaceNotFoundException is thrown'
-            thrown(DataspaceNotFoundException)
-    }
-
-    @Sql([CLEAR_DATA, SET_DATA])
-    def 'Get all anchors associated with multiple schemasets in a dataspace.'() {
-        when: 'anchors are retrieved by dataspace and schema-sets'
-            def anchors = objectUnderTest.getAnchors('DATASPACE-001', ['SCHEMA-SET-001', 'SCHEMA-SET-002'])
-        then: ' the response contains expected anchors'
-            anchors == Set.of(
-                new Anchor('ANCHOR-001', 'DATASPACE-001', 'SCHEMA-SET-001'),
-                new Anchor('ANCHOR-002', 'DATASPACE-001', 'SCHEMA-SET-002'),
-                new Anchor('ANCHOR-003', 'DATASPACE-001', 'SCHEMA-SET-002'))
-    }
-
-    @Sql([CLEAR_DATA, SET_DATA])
-    def 'Delete anchor'() {
-        when: 'delete anchor action is invoked'
-            objectUnderTest.deleteAnchor(DATASPACE_NAME, ANCHOR_NAME2)
-        then: 'anchor is deleted'
-            assert anchorRepository.findById(DELETED_ANCHOR_ID).isEmpty()
-    }
-
-    @Sql([CLEAR_DATA, SET_DATA])
-    def 'delete anchor error scenario: #scenario'() {
-        when: 'delete anchor attempt is performed'
-            objectUnderTest.deleteAnchor(dataspaceName, anchorName)
-        then: 'an #expectedException is thrown'
-            thrown(expectedException)
-        where: 'the following data is used'
-            scenario                   | dataspaceName  | anchorName     || expectedException
-            'dataspace does not exist' | 'unknown'      | 'not-relevant' || DataspaceNotFoundException
-            'anchor does not exists'   | DATASPACE_NAME | 'unknown'      || AnchorNotFoundException
-    }
-
-    @Sql([CLEAR_DATA, SET_DATA])
-    def 'Delete multiple anchors'() {
-        when: 'delete anchors action is invoked'
-            objectUnderTest.deleteAnchors(DATASPACE_NAME, ['ANCHOR-002', 'ANCHOR-003'])
-        then: 'anchors are deleted'
-            anchorRepository.findById(3002).isEmpty()
-            anchorRepository.findById(3003).isEmpty()
-    }
-
-    @Sql([CLEAR_DATA, SAMPLE_DATA_FOR_ANCHORS_WITH_MODULES])
-    def 'Query anchors that have #scenario.'() {
-        when: 'all anchor are retrieved for the given dataspace name and module names'
-            def anchors = objectUnderTest.queryAnchors(inputDataspaceName, inputModuleNames)
-        then: 'the expected anchors are returned'
-            anchors.size() == expectedAnchors.size()
-            anchors.containsAll(expectedAnchors)
-        where: 'the following data is used'
-            scenario                           | inputDataspaceName  | inputModuleNames                                    || expectedAnchors
-            'one module'                       | 'dataspace-1'       | ['module-name-1']                                   || [buildAnchor('anchor-2', 'dataspace-1', 'schema-set-2'), buildAnchor('anchor-1', 'dataspace-1', 'schema-set-1')]
-            'two modules'                      | 'dataspace-1'       | ['module-name-1', 'module-name-2']                  || [buildAnchor('anchor-2', 'dataspace-1', 'schema-set-2'), buildAnchor('anchor-1', 'dataspace-1', 'schema-set-1')]
-            'no anchors for all three modules' | 'dataspace-1'       | ['module-name-1', 'module-name-2', 'module-name-3'] || []
-            'unknown dataspace'                | 'db-does-not-exist' | ['does-not-matter']                                 || []
-            'unknown module and known module'  | 'dataspace-1'       | ['module-name-1', 'module-does-not-exist']          || []
-    }
-
-    def buildAnchor(def anchorName, def dataspaceName, def SchemaSetName) {
-        return Anchor.builder().name(anchorName).dataspaceName(dataspaceName).schemaSetName(SchemaSetName).build()
-    }
-
-    @Sql([CLEAR_DATA, SET_DATA])
-    def 'Delete dataspace.'() {
-        when: 'delete dataspace action is invoked'
-            objectUnderTest.deleteDataspace(DATASPACE_WITH_NO_DATA)
-        then: 'dataspace is deleted'
-            assert dataspaceRepository.findByName(DATASPACE_WITH_NO_DATA).isEmpty();
-    }
-
-    @Sql([CLEAR_DATA, SET_DATA])
-    def 'Delete dataspace when #scenario.'() {
-        when: 'delete dataspace action is invoked'
-            objectUnderTest.deleteDataspace(dataspaceName)
-        then: 'the correct exception is thrown with the relevant details'
-            def thrownException = thrown(expectedException)
-            thrownException.details.contains(expectedMessageDetails)
-        where: 'the following data is used'
-            scenario                        | dataspaceName   || expectedException          | expectedMessageDetails
-            'dataspace name does not exist' | 'unknown'       || DataspaceNotFoundException | 'unknown does not exist'
-            'dataspace contains an anchor'  | 'DATASPACE-001' || DataspaceInUseException    | 'contains 3 anchor(s)'
-            'dataspace contains schemasets' | 'DATASPACE-003' || DataspaceInUseException    | 'contains 1 schemaset(s)'
-    }
-}