update unit test

json-path/src/test/java/com/jayway/jsonpath/Issue_908

@@ -0,0 +1,25 @@
+package com.jayway.jsonpath;
+
+import org.junit.Test;
+
+public class Issue_908 {
+
+  @Test(expected = InvalidPathException.class)
+  public void test_when_current_context_is_null() {
+    JsonPath
+        .parse("{\"test\" : null }")
+        .read("$.test[?(@ != null)]");
+  }
+
+  @Test
+  public void test_suppress_exception_when_current_context_is_null() {
+
+    Object rs = JsonPath.using(Configuration.builder()
+            .options(Option.SUPPRESS_EXCEPTIONS).build())
+        .parse("{\"test\" : null }")
+        .read("$.test[?(@ != null)]");
+    System.out.println(rs);
+    assert(rs.toString().equals("[]"));
+  }
+
+}