Added test for searching over type and all indices

rest-api-spec/test/search/20_type_no_index.yaml

@@ -0,0 +1,42 @@
+---
+"Default index/type":
+  - do:
+      indices.create:
+          index:  test_2
+  - do:
+      indices.create:
+          index:  test_1
+  - do:
+      index:
+          index:  test_1
+          type:   test
+          id:     1
+          body:   { foo: bar }
+
+  - do:
+      index:
+          index:  test_2
+          type:   test
+          id:     42
+          body:   { foo: bar }
+
+  - do:
+      indices.refresh:
+        index: [test_1, test_2]
+
+  - do:
+      search:
+        type:   test
+        body:
+          query:
+            match:
+              foo: bar
+
+  - match: {hits.total: 2}
+  - match: {hits.hits.0._index: test_1 }
+  - match: {hits.hits.0._type:  test   }
+  - match: {hits.hits.0._id:    "1"    }
+
+  - match: {hits.hits.1._index: test_2 }
+  - match: {hits.hits.1._type:  test   }
+  - match: {hits.hits.1._id:    "42"   }