Fix specs old ruby versions

Author: bricesanchez

api/spec/graph/refinery/api/fields/pages/page_field_spec.rb

@@ -22,13 +22,13 @@ module Pages
           end
 
           let(:query_string) do
-            <<-QUERY
-query($id: ID!) {
-  page(id: $id) {
-    title
-  }
-}
-            QUERY
+            <<-GRAPHQL
+              query($id: ID!) {
+                page(id: $id) {
+                  title
+                }
+              }
+            GRAPHQL
           end
 
           subject { result }

api/spec/graph/refinery/api/fields/pages/pages_field_spec.rb

@@ -22,13 +22,13 @@ module Pages
           end
 
           let(:query_string) do
-            <<-QUERY
-query {
-  pages {
-    title
-  }
-}
-            QUERY
+            <<-GRAPHQL
+              query {
+                pages {
+                  title
+                }
+              }
+            GRAPHQL
           end
 
           subject { result }

api/spec/graph/refinery/api/mutations/pages/create_page_mutation_spec.rb

@@ -20,15 +20,15 @@ module Pages
           end
 
           let(:query_string) do
-            <<~QUERY
+            <<-GRAPHQL
               mutation createPage($input: CreatePageInput!) {
                 createPage(input: $input) {
                   page {
                     title
                   }
                 }
               }
-            QUERY
+            GRAPHQL
           end
 
           subject { result }

api/spec/graph/refinery/api/mutations/pages/delete_page_mutation_spec.rb

@@ -22,15 +22,15 @@ module Pages
           end
 
           let(:query_string) do
-            <<~QUERY
+            <<-GRAPHQL
               mutation deletePage($input: DeletePageInput!) {
                 deletePage(input: $input) {
                   page {
                     id
                   }
                 }
               }
-            QUERY
+            GRAPHQL
           end
 
           subject { result }

api/spec/graph/refinery/api/mutations/pages/update_page_mutation_spec.rb

@@ -22,7 +22,7 @@ module Pages
           end
 
           let(:query_string) do
-            <<~QUERY
+            <<-GRAPHQL
               mutation updatePage($input: UpdatePageInput!) {
                 updatePage(input: $input) {
                   page {
@@ -31,7 +31,7 @@ module Pages
                   }
                 }
               }
-            QUERY
+            GRAPHQL
           end
 
           subject { result }