Update reactive streams to 1.0.0.RC4

reactive-streams/reactive-streams-jvm#257

Author: rozza

driver/build.gradle

@@ -21,9 +21,9 @@ archivesBaseName = 'mongodb-driver-reactivestreams'
 
 dependencies {
     compile 'org.mongodb:mongodb-driver-async:3.0.0'
-    compile 'org.reactivestreams:reactive-streams:1.0.0.RC3'
+    compile 'org.reactivestreams:reactive-streams:1.0.0.RC4'
 
-    testCompile 'org.reactivestreams:reactive-streams-tck:1.0.0.RC3'
+    testCompile 'org.reactivestreams:reactive-streams-tck:1.0.0.RC4'
 }
 
 task uberJar(type: Jar) {

driver/src/test/tck/com/mongodb/reactivestreams/client/MongoIterablePublisherVerification.groovy

@@ -103,7 +103,7 @@ class MongoIterablePublisherVerification extends PublisherVerification<Document>
     }
 
     @Override
-    Publisher<Integer> createErrorStatePublisher() {
+    Publisher<Document> createFailedPublisher() {
         null
     }
 

driver/src/test/tck/com/mongodb/reactivestreams/client/SingleResultPublisherVerification.groovy

@@ -43,7 +43,7 @@ class SingleResultPublisherVerification extends PublisherVerification<Document>
     }
 
     @Override
-    Publisher<Document> createErrorStatePublisher() {
+    Publisher<Document> createFailedPublisher() {
         null
     }