Use final java 11 release and fix test excludes

.circleci/config.yml

@@ -140,7 +140,7 @@ jobs:
     environment:
     - JAVA11_HOME: /usr/lib/jvm/jdk-11
     - TEST_TASK: testJava11 latestDepTestJava11
-    - INSTALL_OPENJDK: https://download.java.net/java/early_access/jdk11/28/GPL/openjdk-11+28_linux-x64_bin.tar.gz
+    - INSTALL_OPENJDK: https://download.java.net/java/ga/jdk11/openjdk-11_linux-x64_bin.tar.gz
 
   agent_integration_tests:
     <<: *defaults

gradle/java.gradle

@@ -154,10 +154,16 @@ tasks.withType(Test) {
         group = "Verification"
         description "Runs $cloned.name under Java ${i}"
         executable = "$javaHome/bin/java"
+        if (i == 7) {
           afterEvaluate {
             exclude project.testJava8Only
             exclude project.testJava8Minimum
           }
+        } else if (i > 8) {
+          afterEvaluate {
+            exclude project.testJava8Only
+          }
+        }
       }
       tasks.check.dependsOn test
     }