10 files declare their use of ApigeeMockApiClientHelperTrait in Apigee Edge 8

ApigeeEdgeActionsRulesKernelTestBase.php in modules/apigee_edge_actions/tests/src/Kernel/ApigeeEdgeActionsRulesKernelTestBase.php

ApigeeEdgeFunctionalTestTrait.php in tests/src/Traits/ApigeeEdgeFunctionalTestTrait.php

ApigeeEdgeManagementCliServiceTest.php in tests/src/Kernel/Util/ApigeeEdgeManagementCliServiceTest.php

AppListBuilderTest.php in tests/src/Kernel/Entity/ListBuilder/AppListBuilderTest.php

AppWarningsCheckerTest.php in tests/src/Kernel/Entity/AppWarningsCheckerTest.php

EntityListBuilderTest.php in tests/src/Kernel/Entity/ListBuilder/EntityListBuilderTest.php

TeamInvitationEventsTest.php in modules/apigee_edge_teams/tests/src/Kernel/Event/TeamInvitationEventsTest.php

TeamViewBuilderTest.php in modules/apigee_edge_teams/tests/src/Kernel/Entity/TeamViewBuilderTest.php

TestFrameworkKernelTest.php in tests/src/Kernel/TestFrameworkKernelTest.php

UserCreateTest.php in tests/src/Kernel/UserCreateTest.php