sub-module for ext library with xml:id tests

Change-Id: I7b2edf33ace0e23085be4a6bbd9c4a3787a31116
diff --git a/.gitmodules b/.gitmodules
index 1728969..23fe458 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,6 @@
 [submodule "testGitExtLibrary"]
 	path = testGitExtLibrary
 	url = ssh://git.eclipse.org/gitroot/emfcompare/acceptance-submodules/testGitExtLibrary.git
+[submodule "testGitExtLibraryID"]
+	path = testGitExtLibraryID
+	url = ssh://git.eclipse.org:29418/emfcompare/acceptance-submodules/testGitExtLibraryID.git
diff --git a/testGitExtLibraryID b/testGitExtLibraryID
new file mode 160000
index 0000000..5756d5b
--- /dev/null
+++ b/testGitExtLibraryID
@@ -0,0 +1 @@
+Subproject commit 5756d5b7270414f113b51d4a738a64ac89309e5a