Fix up requires so tests can run from TextMate, and of course still with rake

git-svn-id: https://svn.apache.org/repos/asf/lucene/solr/trunk@503179 13f79535-47bb-0310-9956-ffa450edef68

client/ruby/solrb/test/unit/document_test.rb

@@ -11,8 +11,7 @@
 # limitations under the License.
 
 require 'test/unit'
-require 'solr/document'
-require 'solr/field'
+require 'solr'
 
 class DocumentTest < Test::Unit::TestCase
 

client/ruby/solrb/test/unit/field_test.rb

@@ -11,7 +11,7 @@
 # limitations under the License.
 
 require 'test/unit'
-require 'solr/field'
+require 'solr'
 
 class FieldTest < Test::Unit::TestCase
   

client/ruby/solrb/test/unit/response_test.rb

@@ -11,6 +11,9 @@
 # limitations under the License.
 
 require 'test/unit'
+require 'solr'
+require 'solr_mock_base'
+
 
 class ResponseTest < SolrMockBaseTestCase