Merge branch 'jira-wdt-900-test-summary-handler' into 'main'

Move TestSummaryHandler to test folder, fix classpath

See merge request weblogic-cloud/weblogic-deploy-tooling!1701

Author: robertpatrick

core/pom.xml

@@ -258,6 +258,7 @@
                                 <element>org.slf4j:slf4j-jdk14:jar</element>
                                 <element>org.slf4j:slf4j-api:jar</element>
                                 <element>com.jcraft:jzlib:jar</element>
+                                <element>${project.build.directory}/test-classes</element>
                             </wlstExtClasspath>
                             <systemProperties>
                                 <unit-test-wlst-dir>${unit-test-wlst-dir}</unit-test-wlst-dir>