Updated relation key to relType.

Change-Id: Ice39642f5099caac1b6bad3793ef9023dcc9719b
diff --git a/src/test/resources/queries/relation/focus-empty-both.json b/src/test/resources/queries/relation/focus-empty-both.json
index 1e9fa16..fb6aa83 100644
--- a/src/test/resources/queries/relation/focus-empty-both.json
+++ b/src/test/resources/queries/relation/focus-empty-both.json
@@ -24,7 +24,7 @@
                     }]
                 }
             ],
-            "relation": {
+            "relType": {
                 "@type": "koral:relation",
                 "wrap": {
                     "@type": "koral:term",
diff --git a/src/test/resources/queries/relation/focus-empty-target.json b/src/test/resources/queries/relation/focus-empty-target.json
index 78ac125..e2fb447 100644
--- a/src/test/resources/queries/relation/focus-empty-target.json
+++ b/src/test/resources/queries/relation/focus-empty-target.json
@@ -27,7 +27,7 @@
                     }]
                 }
             ],
-            "relation": {
+            "relType": {
                 "@type": "koral:relation",
                 "wrap": {
                     "@type": "koral:term",
diff --git a/src/test/resources/queries/relation/focus-source.json b/src/test/resources/queries/relation/focus-source.json
index 68d5ce4..0055911 100644
--- a/src/test/resources/queries/relation/focus-source.json
+++ b/src/test/resources/queries/relation/focus-source.json
@@ -22,7 +22,7 @@
                     }]
                 }
             ],
-            "relation": {
+            "relType": {
                 "@type": "koral:relation",
                 "wrap": {
                     "@type": "koral:term",
diff --git a/src/test/resources/queries/relation/focus-target.json b/src/test/resources/queries/relation/focus-target.json
index 46282a8..3c36eb0 100644
--- a/src/test/resources/queries/relation/focus-target.json
+++ b/src/test/resources/queries/relation/focus-target.json
@@ -30,7 +30,7 @@
                     }]
                 }
             ],
-            "relation": {
+            "relType": {
                 "@type": "koral:relation",
                 "wrap": {
                     "@type": "koral:term",
diff --git a/src/test/resources/queries/relation/match-source-and-target.json b/src/test/resources/queries/relation/match-source-and-target.json
index 860528f..9be7eb3 100644
--- a/src/test/resources/queries/relation/match-source-and-target.json
+++ b/src/test/resources/queries/relation/match-source-and-target.json
@@ -14,7 +14,7 @@
                 "key": "vp"
             }
         ],
-        "relation": {
+        "relType": {
             "@type": "koral:relation",
             "wrap": {
                 "@type": "koral:term",
diff --git a/src/test/resources/queries/relation/match-source.json b/src/test/resources/queries/relation/match-source.json
index 3ca5686..0f50094 100644
--- a/src/test/resources/queries/relation/match-source.json
+++ b/src/test/resources/queries/relation/match-source.json
@@ -12,7 +12,7 @@
                 "@type": "koral:token"             
             }
         ],
-        "relation": {
+        "relType": {
             "@type": "koral:relation",
             "wrap": {
                 "@type": "koral:term",
diff --git a/src/test/resources/queries/relation/match-target.json b/src/test/resources/queries/relation/match-target.json
index 7fe4ef0..26ea532 100644
--- a/src/test/resources/queries/relation/match-target.json
+++ b/src/test/resources/queries/relation/match-target.json
@@ -10,7 +10,7 @@
                 "key": "vp"                
             }
         ],
-        "relation": {
+        "relType": {
             "@type": "koral:relation",
             "wrap": {
                 "@type": "koral:term",
diff --git a/src/test/resources/queries/relation/operand-with-attribute.json b/src/test/resources/queries/relation/operand-with-attribute.json
index 570031c..a89855e 100644
--- a/src/test/resources/queries/relation/operand-with-attribute.json
+++ b/src/test/resources/queries/relation/operand-with-attribute.json
@@ -21,7 +21,7 @@
                 "key": "vp"
             }
         ],
-        "relation": {
+        "relType": {
             "@type": "koral:relation",
             "wrap": {
                 "@type": "koral:term",
diff --git a/src/test/resources/queries/relation/operand-with-property.json b/src/test/resources/queries/relation/operand-with-property.json
index 407c900..6540ae1 100644
--- a/src/test/resources/queries/relation/operand-with-property.json
+++ b/src/test/resources/queries/relation/operand-with-property.json
@@ -19,7 +19,7 @@
                 "key": "vp"
             }
         ],
-        "relation": {
+        "relType": {
             "@type": "koral:relation",
             "wrap": {
                 "@type": "koral:term",
diff --git a/src/test/resources/queries/relation/relation-only.json b/src/test/resources/queries/relation/relation-only.json
index 8801184..7ada14a 100644
--- a/src/test/resources/queries/relation/relation-only.json
+++ b/src/test/resources/queries/relation/relation-only.json
@@ -6,7 +6,7 @@
             {"@type": "koral:token"},
             {"@type": "koral:token"}
         ],
-        "relation": {
+        "relType": {
             "@type": "koral:relation",
             "wrap": {
                 "@type": "koral:term",