testsuite: test resource graph reinitialization

Problem: elasticity tests don't include tests for resource graph
reinitialization.

Add tests.

Author: zekemorton

t/data/resource/commands/elastic/cmds09.in

@@ -0,0 +1,28 @@
+find sched-now=free
+match allocate @TEST_SRCDIR@/data/resource/jobspecs/elastic/test-ma-node.yaml
+match allocate_orelse_reserve @TEST_SRCDIR@/data/resource/jobspecs/elastic/test-ma-node.yaml
+find status=up
+find sched-now=allocated
+find sched-future=reserved
+match allocate @TEST_SRCDIR@/data/resource/jobspecs/elastic/test-ma-node.yaml
+attach @TEST_SRCDIR@/data/resource/jgfs/elastic/node-add-test.json
+find status=up
+find sched-now=allocated
+find sched-future=reserved
+find sched-now=free
+match allocate @TEST_SRCDIR@/data/resource/jobspecs/elastic/test-ma-node.yaml
+find status=up
+find sched-now=allocated
+find sched-future=reserved
+find sched-now=free
+cancel 1
+match allocate @TEST_SRCDIR@/data/resource/jobspecs/elastic/test-ma-node.yaml
+find status=up
+find sched-now=allocated
+find sched-future=reserved
+match allocate @TEST_SRCDIR@/data/resource/jobspecs/elastic/test-ma-node.yaml
+match allocate_orelse_reserve @TEST_SRCDIR@/data/resource/jobspecs/elastic/test-ma-node.yaml
+find status=up
+find sched-now=allocated
+find sched-future=reserved
+quit