CIRCSTORE-542 Add Intermediate ECS request phase

ramls/request.json

@@ -21,7 +21,7 @@
     "ecsRequestPhase": {
       "description": "Stage in ECS request process, absence of this field means this is a single-tenant request",
       "type": "string",
-      "enum": ["Primary", "Secondary"]
+      "enum": ["Primary", "Secondary", "Intermediate"]
     },
     "requestDate": {
       "description": "Date the request was made",

src/test/java/org/folio/rest/api/RequestsApiTest.java

@@ -1993,6 +1993,15 @@ public void canCreateRequestWithEcsRequestPhase() throws MalformedURLException,
         .create(),
       requestStorageUrl()).getJson();
     assertThat(representation.getString("ecsRequestPhase"), is("Secondary"));
+
+    representation = createEntity(
+      new RequestRequestBuilder()
+        .page()
+        .intermediate()
+        .withId(UUID.randomUUID())
+        .create(),
+      requestStorageUrl()).getJson();
+    assertThat(representation.getString("ecsRequestPhase"), is("Intermediate"));
   }
 
   @Test

src/test/java/org/folio/rest/support/builders/RequestRequestBuilder.java

@@ -405,4 +405,8 @@ public RequestRequestBuilder secondary() {
     return withEcsRequestPhase("Secondary");
   }
 
+  public RequestRequestBuilder intermediate() {
+    return withEcsRequestPhase("Intermediate");
+  }
+
 }