Disable full container builds for PR branch (#483)

Signed-off-by: David Chung <david.chung@docker.com>

Author: David Chung

circle.yml

@@ -45,12 +45,12 @@ test:
   post:
     # Report to codecov
     - cd $WORKDIR && bash <(curl -s https://codecov.io/bash)
-      
+
 deployment:
   pr:
     branch: /pull\/.*/
     commands:
-      - DOCKER_BUILD_FLAGS="--rm=false" make build-docker
+      - # DISABLED TO SPEED UP PR Process:  DOCKER_BUILD_FLAGS="--rm=false" make build-docker
 
   release:
     branch: /release-.*/

pkg/broker/client/sse_test.go

@@ -346,7 +346,10 @@ func TestBrokerSubscriberExactMatchTopic(t *testing.T) {
 					require.NoError(t, m.Decode(&val))
 					received1 <- val
 				} else {
-					close(received1)
+					if received1 != nil {
+						close(received1)
+						received1 = nil
+					}
 				}
 			}
 		}
@@ -365,7 +368,10 @@ func TestBrokerSubscriberExactMatchTopic(t *testing.T) {
 					require.NoError(t, m.Decode(&val))
 					received2 <- val
 				} else {
-					close(received2)
+					if received2 != nil {
+						close(received2)
+						received2 = nil
+					}
 				}
 			}
 		}
@@ -384,7 +390,10 @@ func TestBrokerSubscriberExactMatchTopic(t *testing.T) {
 					require.NoError(t, m.Decode(&val))
 					received3 <- val
 				} else {
-					close(received3)
+					if received3 != nil {
+						close(received3)
+						received3 = nil
+					}
 				}
 			}
 		}