@Test
 public void testGetTransportTypeOfDefault() throws Exception {
   HttpTransportFactory.HttpTransportType type = HttpTransportFactory.getTransportTypeOf(null);
   assertEquals(HttpTransportType.JAVA_NET, type);
   type = HttpTransportFactory.getTransportTypeOf("");
   assertEquals(HttpTransportType.JAVA_NET, type);
 }
 @Test
 public void testGetTransportTypeOf() throws Exception {
   HttpTransportFactory.HttpTransportType type =
       HttpTransportFactory.getTransportTypeOf("JAVA_NET");
   assertEquals(HttpTransportFactory.HttpTransportType.JAVA_NET, type);
   type = HttpTransportFactory.getTransportTypeOf("APACHE");
   assertEquals(HttpTransportType.APACHE, type);
 }
 @Test
 public void testGetTransportTypeOfException() throws Exception {
   expectedException.expect(IllegalArgumentException.class);
   expectedException.expectMessage(
       "Invalid HttpTransport type 'com.google.api.client.http.apache.ApacheHttpTransport'."
           + " Must be one of [APACHE, JAVA_NET].");
   HttpTransportFactory.getTransportTypeOf(
       "com.google.api.client.http.apache.ApacheHttpTransport");
 }