Update compact-0018 for term1 and term2 to compact based on the specified Term Rank algorithm.

Author: gkellogg

test-suite/tests/compact-0018-in.jsonld

@@ -11,7 +11,7 @@
         { "@value": "v1.2", "@language": "de" },
         { "@value": "v1.3", "@language": "de" },
         4,
-        { "@value": "v1.5", "@language": "en" },
+        { "@value": "v1.5", "@language": "de" },
         { "@value": "v1.6", "@language": "en" }
       ]
     },
@@ -21,7 +21,7 @@
         { "@value": "v2.2", "@language": "en" },
         { "@value": "v2.3", "@language": "en" },
         4,
-        { "@value": "v2.5", "@language": "de" },
+        { "@value": "v2.5", "@language": "en" },
         { "@value": "v2.6", "@language": "de" }
       ]
     },

test-suite/tests/compact-0018-out.jsonld

@@ -17,15 +17,15 @@
     "v1.2",
     "v1.3",
     4,
-    { "@value": "v1.5", "@language": "en" },
+    "v1.5",
     { "@value": "v1.6", "@language": "en" }
   ],
   "term2": [
     "v2.1",
     "v2.2",
     "v2.3",
     4,
-    { "@value": "v2.5", "@language": "de" },
+    "v2.5",
     { "@value": "v2.6", "@language": "de" }
   ],
   "term3": [