fix(query): similarQuery not accounted for in param string (#654)

Author: shawncruz

src/main/scala/algolia/objects/Query.scala

@@ -210,6 +210,7 @@ case class Query(
       /* Search */
       "query" -> query,
       "facetQuery" -> facetQuery,
+      "similarQuery" -> similarQuery,
       /* Typos */
       "minWordSizefor1Typo" -> minWordSizefor1Typo.map(_.toString),
       "minWordSizefor2Typos" -> minWordSizefor2Typos.map(_.toString),

src/test/scala/algolia/dsl/SearchTest.scala

@@ -272,4 +272,18 @@ class SearchTest extends AlgoliaTest {
     }
   }
 
+  describe("search with similarQuery") {
+    it("should parametrize stuff") {
+      val q = Query(
+        query = Some(""),
+        similarQuery = Some("\"test phrase\""),
+        advancedSyntax = Some(true),
+        advancedSyntaxFeatures = Some(Seq("exactPhrase"))
+      )
+
+      q.toParam should be(
+        "advancedSyntax=true&query=&advancedSyntaxFeatures=exactPhrase&similarQuery=%22test+phrase%22"
+      )
+    }
+  }
 }