Documentation: Refactor to match other plugin documentation

Move in-tree testing section before eclipse-related section for
consistency across other plugins and also to match standalone case.

Change-Id: Ia2bb0b374e36aebe9b251f6653964312194b8d96
diff --git a/src/main/resources/Documentation/build.md b/src/main/resources/Documentation/build.md
index e68e4bb..8232067 100644
--- a/src/main/resources/Documentation/build.md
+++ b/src/main/resources/Documentation/build.md
@@ -45,6 +45,13 @@
   bazel-bin/plugins/@PLUGIN@/@PLUGIN@.jar
 ```
 
+To execute the tests run either one of:
+
+```
+  bazel test --test_tag_filters=@PLUGIN@ //...
+  bazel test plugins/@PLUGIN@:@PLUGIN@_tests
+```
+
 This project can be imported into the Eclipse IDE. List the plugin in the
 custom plugin list, in `gerrit/tools/bzl/plugins.bzl`:
 
@@ -61,12 +68,5 @@
   ./tools/eclipse/project_bzl.py
 ```
 
-To execute the tests run either one of:
-
-```
-  bazel test --test_tag_filters=@PLUGIN@ //...
-  bazel test plugins/@PLUGIN@:@PLUGIN@_tests
-```
-
 How to build the Gerrit Plugin API is described in the [Gerrit
 documentation](../../../Documentation/dev-bazel.html#_extension_and_plugin_api_jar_files).