[site] "testing plugins" reference re-structured

_SUMMARY.md

@@ -39,6 +39,11 @@
     * [Indexing and PSI Stubs](basic_topics/indexing_and_psi_stubs.html)
     * [Run Configurations](basic_topics/run_configurations.html)
     * [Testing Plugins](basic_topics/testing_plugins.html)
+        * [Tests and Fixtures](basic_topics/testing_plugins/tests_and_fixtures.html)
+        * [Light and Heavy Tests](basic_topics/testing_plugins/light_and_heavy_tests.html)
+        * [Test Project and Testdata Directories](basic_topics/testing_plugins/test_project_and_testdata_directories.html)
+        * [Writing Tests](basic_topics/testing_plugins/writing_tests.html)
+        * [Testing Highlighting](basic_topics/testing_plugins/testing_highlighting.html)
 * [Advanced Topics](advanced_topics.html)
     * [Custom Language Support](advanced_topics/custom_language_support.html)
         * [Registering File Type](advanced_topics/custom_language_support/registering_file_type.html)

basic_topics/testing_plugins.md

@@ -32,11 +32,11 @@ for plugin UI testing, but we don't use either of them and cannot provide any gu
 Internally, we use manual testing for testing our Swing UIs.
 
 
-*  [Tests and Fixtures](tests_and_fixtures.html)
-*  [Light and Heavy Tests](light_and_heavy_tests.html)
-*  [Test Project and Testdata Directories](test_project_and_testdata_directories.html)
-*  [Writing Tests](writing_tests.html)
-*  [Testing Highlighting](testing_highlighting.html)
+*  [Tests and Fixtures](basic_topics/testing_plugins/tests_and_fixtures.html)
+*  [Light and Heavy Tests](basic_topics/testing_plugins/light_and_heavy_tests.html)
+*  [Test Project and Testdata Directories](basic_topics/testing_plugins/test_project_and_testdata_directories.html)
+*  [Writing Tests](basic_topics/testing_plugins/writing_tests.html)
+*  [Testing Highlighting](basic_topics/testing_plugins/testing_highlighting.html)
 
 
 Check out