[develop-olympus] Backported 3.1 unit tests to 3.0.

Start adding unit tests for bugs you fix! Tests for anything are
welcome really. We have to work on these a lot.

tests/template/templates/loop_vars.html

@@ -0,0 +1,21 @@
+<!-- BEGIN loop -->
+<!-- IF loop.S_FIRST_ROW -->first<!-- ENDIF -->
+
+{loop.S_ROW_COUNT}
+
+{loop.VARIABLE}
+
+<!-- IF loop.VARIABLE -->set<!-- ENDIF -->
+
+<!-- IF loop.S_LAST_ROW -->
+last
+<!-- ENDIF -->
+<!-- BEGIN inner -->
+
+{inner.S_ROW_COUNT}
+
+<!-- IF inner.S_LAST_ROW and inner.S_ROW_COUNT and inner.S_NUM_ROWS -->last inner<!-- ENDIF -->
+
+<!-- END inner -->
+<!-- END loop -->
+<!-- IF .loop.inner -->inner loop<!-- ENDIF -->