Adding Issue #60 tests

test/specificity/issue60.mml

@@ -0,0 +1,14 @@
+{
+    "srs": "+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0 +k=1.0 +units=m +nadgrids=@null +wktext +no_defs +over",
+    "Stylesheet": [
+        "issue60.mss"
+    ],
+    "Layer": [{
+        "name": "world",
+        "srs": "+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0 +k=1.0 +units=m +nadgrids=@null +wktext +no_defs +over",
+        "Datasource": {
+            "file": "http://tilemill-data.s3.amazonaws.com/test_data/shape_demo.zip",
+            "type": "shape"
+        }
+    }]
+}

test/specificity/issue60.mss

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+#world {
+  [NET_INFLOW > -30000] { polygon-fill: #f00; }
+  [NET_INFLOW > -10000] { polygon-fill: #0f0; }
+}
+
+#world [OBJECTID=12] { polygon-pattern-file:url(../resources/textures/stripe.png); }

test/specificity/issue60.result

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+[
+    {"elements":["#world"],"filters":["OBJECTID=12"],"specificity":[1,0,1,131]},
+    {"elements":["#world"],"filters":["NET_INFLOW>-10000"],"specificity":[1,0,1,83]},
+    {"elements":["#world"],"filters":["NET_INFLOW>-30000"],"specificity":[1,0,1,35]},
+    {"elements":["#world"],"specificity":[1,0,0,0]}
+]