Change JIT tests to use interpreter image

Bug: 19528920
Change-Id: I079cfcca7bb57e492c82a44f104e41228cb33b4f
diff --git a/test/run-test b/test/run-test
index 888e4ed..52f5e0c 100755
--- a/test/run-test
+++ b/test/run-test
@@ -195,7 +195,7 @@
         shift
     elif [ "x$1" = "x--jit" ]; then
         run_args="${run_args} --jit"
-        image_suffix="-jit"
+        image_suffix="-interpreter"
         shift
     elif [ "x$1" = "x--optimizing" ]; then
         run_args="${run_args} -Xcompiler-option --compiler-backend=Optimizing"