diff --git a/images/runner_model.png b/images/runner_model.png
diff --git a/sqldev/src/main/java/org/utplsql/sqldev/model/StringTools.java b/sqldev/src/main/java/org/utplsql/sqldev/model/StringTools.java
@@ -15,9 +15,14 @@
 */
package org.utplsql.sqldev.model;

import java.util.Collections;
import java.util.List;

public class StringTools {
    // do not instantiate this class
    private StringTools() {
@@ -38,11 +43,11 @@ public static String getCSV(List<String> list, String indent) {
        sb.append("\n");
        return sb.toString();
    }
-    
    public static String getCSV(List<String> list, int indentSpaces) {
        return getCSV(list, repeat(" ", indentSpaces));
    }
-    
    public static String getSimpleCSV(List<String> list) {
        final StringBuilder sb = new StringBuilder();
        for (final String item : list) {
@@ -74,4 +79,45 @@ public static String formatDateTime(final String dateTime) {
            }
        }
    }
}
diff --git a/sqldev/src/main/java/org/utplsql/sqldev/model/preference/PreferenceModel.java b/sqldev/src/main/java/org/utplsql/sqldev/model/preference/PreferenceModel.java
@@ -53,6 +53,7 @@ public static PreferenceModel getInstance(final PropertyStorage prefs) {
    private static final String KEY_SHOW_DISABLED_TESTS = "showDisabledTests";
    private static final String KEY_SHOW_TEST_DESCRIPTION = "showTestDescription";
    private static final String KEY_SYNC_DETAIL_TAB = "syncDetailTab";
    private static final String KEY_TEST_PACKAGE_PREFIX = "testPackagePrefix";
    private static final String KEY_TEST_PACKAGE_SUFFIX = "testPackageSuffix";
    private static final String KEY_TEST_UNIT_PREFIX = "testUnitPrefix";
@@ -88,6 +89,7 @@ public String toString() {
                .append(KEY_SHOW_DISABLED_TESTS, isShowDisabledTests())
                .append(KEY_SHOW_TEST_DESCRIPTION, isShowTestDescription())
                .append(KEY_SYNC_DETAIL_TAB, isSyncDetailTab())
                .append(KEY_TEST_PACKAGE_PREFIX, getTestPackagePrefix())
                .append(KEY_TEST_PACKAGE_SUFFIX, getTestPackageSuffix())
                .append(KEY_TEST_UNIT_PREFIX, getTestUnitPrefix())
@@ -241,6 +243,14 @@ public void setSyncDetailTab(final boolean syncDetailTab) {
        getHashStructure().putBoolean(KEY_SYNC_DETAIL_TAB, syncDetailTab);
    }

    public String getTestPackagePrefix() {
        return getHashStructure().getString(KEY_TEST_PACKAGE_PREFIX, "test_");
    }

diff --git a/sqldev/src/main/java/org/utplsql/sqldev/model/runner/Item.java b/sqldev/src/main/java/org/utplsql/sqldev/model/runner/Item.java
@@ -15,11 +15,16 @@
 */
package org.utplsql.sqldev.model.runner;

import org.springframework.core.style.ToStringCreator;
import org.utplsql.sqldev.model.JsonToStringStyler;

public abstract class Item {
    private String id;
    private String startTime;
    private String endTime;
    private Double executionTime;
@@ -36,15 +41,75 @@ public Item() {
    public String toString() {
        return new ToStringCreator(this, JsonToStringStyler.getInstance())
                .append("id", id)
                .append("startTime", startTime)
                .append("endTime", endTime)
                .append("executionTime", executionTime)
                .append("counter", counter)
                .append("errorStack", errorStack)
                .append("serverOutput", serverOutput)
                .append("warnings", warnings)
                .toString();
    }

    public String getId() {
        return id;
@@ -54,6 +119,22 @@ public void setId(final String id) {
        this.id = id;
    }

    public String getStartTime() {
        return startTime;
    }