Test hspace --accept-existing

...by verifying that instances are found, even in the
single-group scenario where some nodes are not N+1 happy.
Signed-off-by: Klaus Aehlig <aehlig@google.com>
Reviewed-by: Hrvoje Ribicic <riba@google.com>

test/hs/shelltests/htools-hspace.test

@@ -66,6 +66,10 @@
 >>>/0 instances allocated/
 >>>=0
 
+./test/hs/hspace --accept-existing -t $TESTDATA_DIR/hspace-groups-one.data
+>>>/2 instances allocated/
+>>>=0
+
 ./test/hs/hspace -t $TESTDATA_DIR/hspace-groups-two.data
 >>>/0 instances allocated/
 >>>=0
@@ -73,3 +77,8 @@
 ./test/hs/hspace --independent-groups -t $TESTDATA_DIR/hspace-groups-two.data
 >>>/2 instances allocated/
 >>>=0
+
+./test/hs/hspace --accept-existing -t $TESTDATA_DIR/hspace-groups-two.data
+>>>/2 instances allocated/
+>>>=0
+