Move utility and mock classes to .../filter/test

The utility and mock classes created for the testing of dbfwfilter
will be used for testing certain aspects of the cache filter.
Consequently better to move them somewhere outside dbfwfilter.
Sofar they will be built separately for each filter.

server/modules/filter/dbfwfilter/test/CMakeLists.txt

@@ -1,15 +1,18 @@
+include_directories(${CMAKE_CURRENT_SOURCE_DIR}/../../test)
+
 add_executable(test_dbfwfilter
   test_dbfwfilter.cc
-
-  filtermodule.cc
-  mock.cc
-  mock_backend.cc
-  mock_client.cc
-  mock_dcb.cc
-  mock_routersession.cc
-  mock_session.cc
-  module.cc
   tempfile.cc
+
+  ../../test/filtermodule.cc
+  ../../test/mock.cc
+  ../../test/mock_backend.cc
+  ../../test/mock_client.cc
+  ../../test/mock_dcb.cc
+  ../../test/mock_routersession.cc
+  ../../test/mock_session.cc
+  ../../test/module.cc
+  ../../test/queryclassifiermodule.cc
 )
 target_link_libraries(test_dbfwfilter maxscale-common)
 

server/modules/filter/dbfwfilter/test/test_dbfwfilter.cc

@@ -15,12 +15,12 @@
 #include <memory>
 #include <iostream>
 #include <maxscale/log_manager.h>
-#include "maxscale/filtermodule.hh"
-#include "maxscale/queryclassifiermodule.hh"
-#include "maxscale/mock/backend.hh"
-#include "maxscale/mock/routersession.hh"
-#include "maxscale/mock/session.hh"
-#include "maxscale/mock/client.hh"
+#include <maxscale/filtermodule.hh>
+#include <maxscale/queryclassifiermodule.hh>
+#include <maxscale/mock/backend.hh>
+#include <maxscale/mock/routersession.hh>
+#include <maxscale/mock/session.hh>
+#include <maxscale/mock/client.hh>
 #include "tempfile.hh"
 
 using namespace std;

server/modules/filter/test/filtermodule.cc

@@ -12,8 +12,8 @@
  */
 
 #include <maxscale/cppdefs.hh>
-#include "maxscale/filtermodule.hh"
-#include "../../../../core/maxscale/modules.h"
+#include <maxscale/filtermodule.hh>
+#include "../../../core/maxscale/modules.h"
 
 using std::auto_ptr;
 

server/modules/filter/test/module.cc

@@ -11,8 +11,8 @@
  * Public License.
  */
 
-#include "maxscale/module.hh"
-#include "../../../../core/maxscale/modules.h"
+#include <maxscale/module.hh>
+#include "../../../core/maxscale/modules.h"
 
 namespace maxscale
 {

server/modules/filter/test/queryclassifiermodule.cc

@@ -12,7 +12,7 @@
  */
 
 #include "maxscale/queryclassifiermodule.hh"
-#include "../../../../core/maxscale/modules.h"
+#include "../../../core/maxscale/modules.h"
 
 namespace maxscale
 {