[ASTERIXDB-2979][MTD][GRAPH] Implement CREATE / DROP GRAPH

Initial commit. This supports CREATE GRAPH, DROP GRAPH, and prevents
dropping views / functions / datasets / synonyms / dataverses that a
graph depends on.

Change-Id: Ibaf4dc7066b85d8ea3b58c6b90fd83af3a700506
Reviewed-on: https://asterix-gerrit.ics.uci.edu/c/asterixdb-graph/+/14644
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Reviewed-by: Ian Maxon <imaxon@uci.edu>
diff --git a/asterix-graphix/src/test/resources/metadata/testsuite.xml b/asterix-graphix/src/test/resources/metadata/testsuite.xml
new file mode 100644
index 0000000..2f45b91
--- /dev/null
+++ b/asterix-graphix/src/test/resources/metadata/testsuite.xml
@@ -0,0 +1,28 @@
+<!--
+  ~ Licensed to the Apache Software Foundation (ASF) under one
+  ~ or more contributor license agreements. See the NOTICE file
+  ~ distributed with this work for additional information
+  ~ regarding copyright ownership. The ASF licenses this file
+  ~ to you under the Apache License, Version 2.0 (the
+  ~ "License"); you may not use this file except in compliance
+  ~ with the License. You may obtain a copy of the License at
+  ~ http://www.apache.org/licenses/LICENSE-2.0
+  ~ Unless required by applicable law or agreed to in writing,
+  ~ software distributed under the License is distributed on an
+  ~ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+  ~ KIND, either express or implied. See the License for the
+  ~ specific language governing permissions and limitations
+  ~ under the License.
+  -->
+<test-suite xmlns="urn:xml.testframework.asterix.apache.org"
+            ResultOffsetPath="results"
+            QueryOffsetPath="queries"
+            QueryFileExtension=".sqlpp">
+  <test-group name="yelp-example">
+    <test-case FilePath="graphix">
+      <compilation-unit name="yelp-example">
+        <output-dir compare="Text">yelp-example</output-dir>
+      </compilation-unit>
+    </test-case>
+  </test-group>
+</test-suite>