Fix tests, module names.

Change-Id: I38cc06a8ac6036f3561692ff62fc73f81d2653c4
diff --git a/jgvariant-ostree/src/main/java/module-info.java b/jgvariant-ostree/src/main/java/module-info.java
index 4a59152..59b458f 100644
--- a/jgvariant-ostree/src/main/java/module-info.java
+++ b/jgvariant-ostree/src/main/java/module-info.java
@@ -74,7 +74,7 @@
  * }
  * }</pre>
  */
-module eu.mulk.jgvariant.gvariant {
+module eu.mulk.jgvariant.ostree {
   requires transitive eu.mulk.jgvariant.core;
   requires com.google.errorprone.annotations;
   requires org.jetbrains.annotations;