add test for reading core properties from ooxml strict file

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1886514 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/src/ooxml/testcases/org/apache/poi/ooxml/TestPOIXMLProperties.java b/src/ooxml/testcases/org/apache/poi/ooxml/TestPOIXMLProperties.java
index d338fae..57306d1 100644
--- a/src/ooxml/testcases/org/apache/poi/ooxml/TestPOIXMLProperties.java
+++ b/src/ooxml/testcases/org/apache/poi/ooxml/TestPOIXMLProperties.java
@@ -26,11 +26,14 @@
 
 import java.io.ByteArrayInputStream;
 import java.io.IOException;
+import java.time.ZoneId;
 import java.util.Calendar;
 import java.util.Date;
 import java.util.Optional;
 
+import org.apache.poi.POIDataSamples;
 import org.apache.poi.ooxml.POIXMLProperties.CoreProperties;
+import org.apache.poi.openxml4j.opc.OPCPackage;
 import org.apache.poi.ss.usermodel.Cell;
 import org.apache.poi.ss.usermodel.Row;
 import org.apache.poi.ss.usermodel.Sheet;
@@ -320,6 +323,16 @@
     }
 
     @Test
+    void testOoxmlStrict() throws Exception {
+        POIDataSamples _ssTests = POIDataSamples.getSpreadSheetInstance();
+        try (OPCPackage pkg = OPCPackage.open(_ssTests.openResourceAsStream("sample.strict.xlsx"))) {
+            POIXMLProperties props = new POIXMLProperties(pkg);
+            assertNotNull(props.getCoreProperties().getCreated());
+            assertEquals(2007, props.getCoreProperties().getCreated().toInstant().atZone(ZoneId.of("UTC")).getYear());
+        }
+    }
+
+    @Test
     void testBug60977() throws IOException {
 
         try (final XSSFWorkbook workbook = new XSSFWorkbook()) {
diff --git a/src/ooxml/testcases/org/apache/poi/xssf/eventusermodel/TestXSSFReader.java b/src/ooxml/testcases/org/apache/poi/xssf/eventusermodel/TestXSSFReader.java
index 697af65..766ebeb 100644
--- a/src/ooxml/testcases/org/apache/poi/xssf/eventusermodel/TestXSSFReader.java
+++ b/src/ooxml/testcases/org/apache/poi/xssf/eventusermodel/TestXSSFReader.java
@@ -25,7 +25,6 @@
 import static org.junit.jupiter.api.Assertions.assertNull;
 import static org.junit.jupiter.api.Assertions.assertThrows;
 import static org.junit.jupiter.api.Assertions.assertTrue;
-import static org.junit.jupiter.api.Assertions.fail;
 
 import java.io.IOException;
 import java.io.InputStream;