Fixes #290 - wronf getStringValues on properties provider

Author: savlgmbh

datajack-api/src/main/java/ru/sbtqa/tag/datajack/providers/AbstractDataProvider.java

@@ -165,6 +165,8 @@ public List<String> getStringValues() throws DataException {
                 strings.add(value.toString());
             } else if (value == null) {
                 strings.add("null");
+            } else if (value instanceof BasicDBList) {
+                ((BasicDBList) value).forEach(val -> strings.add(val.toString()));
             } else {
                 strings.add("");
             }

providers/properties-provider/src/test/java/ru/sbtqa/tag/datajack/providers/properties/PropertiesDataTest.java

@@ -430,4 +430,16 @@ public void relativeParentTest() throws DataException {
         String expected = "20.91";
         Assert.assertEquals(expected, relativeValue);
     }
+
+    @Test
+    public void issue290Test() throws Exception {
+        TestDataProvider testDataProvider = new PropertiesDataProvider(propertiesDataPath,
+                "issue-290", "properties", ";");
+
+        final List<String> stringValues = testDataProvider.get("afd.db.save.hosts").getStringValues();
+        final String[] expectedValues = new String[]{"server1", "server2", "server3"};
+
+        Assert.assertArrayEquals(expectedValues, stringValues.toArray(new String[0]));
+
+    }
 }

providers/properties-provider/src/test/resources/properties/issue-290.properties

@@ -0,0 +1 @@
+afd.db.save.hosts=server1;server2;server3