grpclb: drop only when at least one SubConn is ready
fixes #2622
Otherwise drops may happen more often than wanted because of re-picks.
grpclb drop only when at least one connection is ready
diff --git a/balancer/grpclb/grpclb.go b/balancer/grpclb/grpclb.go
index 735c18410096..abc2e211443c 100644
--- a/balancer/grpclb/grpclb.go
+++ b/balancer/grpclb/grpclb.go
@@ -258,11 +258,14 @@ func (lb *lbBalancer) regeneratePicker() {
 		}
 	}
 
+	if len(readySCs) <= 0 {
+		// If there's no ready SubConns, always re-pick. This is to avoid drops
+		// unless at least one SubConn is ready. Otherwise we may drop more
+		// often than want because of drops + re-picks(which become re-drops).
+		lb.picker = &errPicker{err: balancer.ErrNoSubConnAvailable}
+		return
+	}
 	if len(lb.fullServerList) <= 0 {
-		if len(readySCs) <= 0 {
-			lb.picker = &errPicker{err: balancer.ErrNoSubConnAvailable}
-			return
-		}
 		lb.picker = &rrPicker{subConns: readySCs}
 		return
 	}

diff --git a/balancer/grpclb/grpclb_test.go b/balancer/grpclb/grpclb_test.go
index 56c0bb3246ad..82e35de908a9 100644
--- a/balancer/grpclb/grpclb_test.go
+++ b/balancer/grpclb/grpclb_test.go
@@ -744,14 +744,18 @@ func runAndGetStats(t *testing.T, drop bool, runRPCs func(*grpc.ClientConn)) *rp
 		t.Fatalf("failed to create new load balancer: %v", err)
 	}
 	defer cleanup()
-	tss.ls.sls <- &lbpb.ServerList{
-		Servers: []*lbpb.Server{{
-			IpAddress:        tss.beIPs[0],
-			Port:             int32(tss.bePorts[0]),
+	servers := []*lbpb.Server{{
+		IpAddress:        tss.beIPs[0],
+		Port:             int32(tss.bePorts[0]),
+		LoadBalanceToken: lbToken,
+	}}
+	if drop {
+		servers = append(servers, &lbpb.Server{
 			LoadBalanceToken: lbToken,
 			Drop:             drop,
-		}},
+		})
 	}
+	tss.ls.sls <- &lbpb.ServerList{Servers: servers}
 	tss.ls.statsDura = 100 * time.Millisecond
 	creds := serverNameCheckCreds{expected: beServerName}
 
@@ -781,7 +785,6 @@ func runAndGetStats(t *testing.T, drop bool, runRPCs func(*grpc.ClientConn)) *rp
 const (
 	countRPC      = 40
 	failtosendURI = "failtosend"
-	dropErrDesc   = "request dropped by grpclb"
 )
 
 func TestGRPCLBStatsUnarySuccess(t *testing.T) {
@@ -808,27 +811,22 @@ func TestGRPCLBStatsUnarySuccess(t *testing.T) {
 
 func TestGRPCLBStatsUnaryDrop(t *testing.T) {
 	defer leakcheck.Check(t)
-	c := 0
 	stats := runAndGetStats(t, true, func(cc *grpc.ClientConn) {
 		testC := testpb.NewTestServiceClient(cc)
-		for {
-			c++
-			if _, err := testC.EmptyCall(context.Background(), &testpb.Empty{}); err != nil {
-				if strings.Contains(err.Error(), dropErrDesc) {
-					break
-				}
-			}
+		// The first non-failfast RPC succeeds, all connections are up.
+		if _, err := testC.EmptyCall(context.Background(), &testpb.Empty{}, grpc.WaitForReady(true)); err != nil {
+			t.Fatalf("%v.EmptyCall(_, _) = _, %v, want _, <nil>", testC, err)
 		}
-		for i := 0; i < countRPC; i++ {
+		for i := 0; i < countRPC-1; i++ {
 			testC.EmptyCall(context.Background(), &testpb.Empty{})
 		}
 	})
 
 	if err := checkStats(stats, &rpcStats{
-		numCallsStarted:                        int64(countRPC + c),
-		numCallsFinished:                       int64(countRPC + c),
-		numCallsFinishedWithClientFailedToSend: int64(c - 1),
-		numCallsDropped:                        map[string]int64{lbToken: int64(countRPC + 1)},
+		numCallsStarted:               int64(countRPC),
+		numCallsFinished:              int64(countRPC),
+		numCallsFinishedKnownReceived: int64(countRPC) / 2,
+		numCallsDropped:               map[string]int64{lbToken: int64(countRPC) / 2},
 	}); err != nil {
 		t.Fatal(err)
 	}
@@ -895,27 +893,36 @@ func TestGRPCLBStatsStreamingSuccess(t *testing.T) {
 
 func TestGRPCLBStatsStreamingDrop(t *testing.T) {
 	defer leakcheck.Check(t)
-	c := 0
 	stats := runAndGetStats(t, true, func(cc *grpc.ClientConn) {
 		testC := testpb.NewTestServiceClient(cc)
+		// The first non-failfast RPC succeeds, all connections are up.
+		stream, err := testC.FullDuplexCall(context.Background(), grpc.WaitForReady(true))
+		if err != nil {
+			t.Fatalf("%v.FullDuplexCall(_, _) = _, %v, want _, <nil>", testC, err)
+		}
 		for {
-			c++
-			if _, err := testC.EmptyCall(context.Background(), &testpb.Empty{}); err != nil {
-				if strings.Contains(err.Error(), dropErrDesc) {
-					break
-				}
+			if _, err = stream.Recv(); err == io.EOF {
+				break
 			}
 		}
-		for i := 0; i < countRPC; i++ {
-			testC.FullDuplexCall(context.Background())
+		for i := 0; i < countRPC-1; i++ {
+			stream, err = testC.FullDuplexCall(context.Background())
+			if err == nil {
+				// Wait for stream to end if err is nil.
+				for {
+					if _, err = stream.Recv(); err == io.EOF {
+						break
+					}
+				}
+			}
 		}
 	})
 
 	if err := checkStats(stats, &rpcStats{
-		numCallsStarted:                        int64(countRPC + c),
-		numCallsFinished:                       int64(countRPC + c),
-		numCallsFinishedWithClientFailedToSend: int64(c - 1),
-		numCallsDropped:                        map[string]int64{lbToken: int64(countRPC + 1)},
+		numCallsStarted:               int64(countRPC),
+		numCallsFinished:              int64(countRPC),
+		numCallsFinishedKnownReceived: int64(countRPC) / 2,
+		numCallsDropped:               map[string]int64{lbToken: int64(countRPC) / 2},
 	}); err != nil {
 		t.Fatal(err)
 	}

{"TestGRPCLBStatsUnaryDrop": {"run": "PASS", "test": "FAIL", "fix": "PASS"}, "TestGRPCLBStatsStreamingDrop": {"run": "PASS", "test": "FAIL", "fix": "PASS"}}
{"TestOneBackend": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestServerStatsUnaryRPC": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestPipeClose": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestAppendToOutgoingContext_FromKVSlice": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestBalancerGroup_TwoRR_ChangeWeight_MoreBackends": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestServerBinaryLogServerStreamRPCError": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestIsRoundRobin": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestEventHasFired": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestFillMethodLoggerWithConfigStringInvalid": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestServerHandshake": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestGetServers": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestServerStatsFullDuplexRPC": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestSayHello": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestBalancerGroup_TwoRR_OneBackend": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestHeaderConfigRegexp": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestErrorsWithSameParameters": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestAuthInfoFromContext": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestFromErrorUnknownError": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestPingPong": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestGRPCLBStatsStreamingSuccess": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestIsRunningOnGCP": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestDial": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestTruncateMessageNotTruncated": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestServerBinaryLogFullDuplexError": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestConvertUnknownError": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestDNSResolverRetry": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestClientHandshake": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestLBCacheClientConnExpire": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestGetSocketOptions": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestClientHealthCheckBackoff": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestPairsMD": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestErrorProtoOK": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestServerHandshakeReturnsAuthInfo": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestGetSubChannel": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestFromErrorImplementsInterface": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestFileDescForType": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestBalancerGroup_TwoRR_MoreBackends": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestAES128GCMEncrypt": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestNewLoggerFromConfigStringInvalid": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestFromNilProto": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestListener": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestResolve": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestCloneServer": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestAllExtensionNumbersForType": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestClientBinaryLogCancel": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestRegister": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestParseMethodNameInvalid": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestResolveFunc": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestWrapSyscallConn": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestServerStatsServerStreamRPCError": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestServerStatsFullDuplexRPCError": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestRouteChat": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestNoSetupOrTeardown": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestListenerAndDialer": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestIncorrectMsgType": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestGetSocketOpt": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestSet": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestSmallReadBuffer": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestConnCloseWithData": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestPipeListener": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestAllServersDown": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestClientBinaryLogClientStreamRPCError": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestClientStatsServerStreamRPC": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestClientStatsServerStreamRPCError": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestCloseWhileAccepting": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestClientStatsUnaryRPCError": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestCompareRPCVersions": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestGetMethodLoggerOff": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestErrorOK": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestSync": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestNewLoggerFromConfigString": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestSyncTooSlow": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestCloseWithPendingRPC": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestServerBinaryLogServerStreamRPC": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestGet": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestServerBinaryLogClientStreamRPC": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestJSONUnmarshal": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestClientStatsClientStreamRPC": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestOneServerDown": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestBackendsRoundRobin": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestFillMethodLoggerWithConfigStringPerService": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestGRPCLBStatsStreamingFailedToSend": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestGetServerSockets": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestAppendToOutgoingContext_Repeated": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestFillMethodLoggerWithConfigStringGlobal": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestDisableServiceConfig": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestConvertKnownError": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestServerAndClientHandshake": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestExample": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestCopy": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestFromContextError": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestConcurrentUsage": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestTLSOverrideServerName": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestPeerNotResponding": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestLoggerV2Severity": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestAuthInfoFromPeer": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestCloneClient": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestParseMethodName": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestTruncateMessageTruncated": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestInfo": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestServerBinaryLogUnaryRPCError": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestAES128GCMRekeyEncryptRoundtrip": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestInfoServerName": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestAppend": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestGetMethodLogger": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestTruncateMetadataTruncated": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestTrace": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestOverrideServerName": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestLongMethodConfigRegexp": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestClientBinaryLogUnaryRPC": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestClientStatsFullDuplexRPCError": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestTags": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestClientHandshakeReturnsAuthInfo": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestAES128GCMEncryptRoundtrip": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestMessageConfigRegexp": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestClientStatsFullDuplexRPC": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestCheckRegisterIgnore": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestPipe": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestBalancerGroup_OneRR_AddRemoveBackend": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestFrameTooLarge": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestUnblocking": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestJoin": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestGRPCLBWeighted": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestALTSAuthInfo": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestFillMethodLoggerWithConfigStringPerMethod": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestEventMultipleFires": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestBasicProtoCodecMarshalAndUnmarshal": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestWriteLargeData": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestServerStatsUnaryRPCError": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestCounterSides": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestFallback": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestParseMethodConfigAndSuffix": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestAES128GCMRekeyEncrypt": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestFromError": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestAppendToOutgoingContext": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestUnmarshalJSON": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestClientStatsUnaryRPC": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestBalancerGroup_ThreeRR_RemoveBalancer": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestIPWatcher": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestCheck": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestStatus_WithDetails_Fail": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestNewAddressWhileBlocking": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestAddressesRemoved": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestServerBinaryLogFullDuplex": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestBalancerGroup_TwoRR_DifferentWeight_MoreBackends": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestFileDescContainingExtension": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestUnmarshalJSON_UnknownInput": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestStatus_ErrorDetails": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestServerBinaryLogUnaryRPC": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestCheckRPCVersions": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestReflectionEnd2end": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestDropRequest": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestFromToProto": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestServerStatsClientStreamRPCError": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "Test": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestBufferBloat": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestServerBinaryLogClientStreamRPCError": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestGRPCLB": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestServerStatsClientStreamRPC": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestClientBinaryLogServerStreamRPCError": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestBalancerDisconnects": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestConn": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestGRPCLBStatsUnaryFailedToSend": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestLog": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestStaggeredMarshalAndUnmarshalUsingSamePool": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestGetChannel": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestCounterInc": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestClientBinaryLogClientStreamRPC": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestTypeForName": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestParseHeaderMessageLengthConfig": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestCustomAuthority": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestServerStatsServerStreamRPC": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestLBCacheClientConnReuse": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestFromErrorOK": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestTLSClone": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestTruncateMetadataNotTruncated": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestShutdown": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestParseHeaderMessageLengthConfigInvalid": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestUnmarshalJSON_MarshalUnmarshal": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestWrapSyscallConnNoWrap": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestParseMethodConfigAndSuffixInvalid": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestError": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestGetTopChannels": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestFillMethodLoggerWithConfigStringBlacklist": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestCloseWhileDialing": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestRolloverCounter": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestCompileUpdate": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestClientStatsClientStreamRPCError": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestClientBinaryLogUnaryRPCError": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestLargeMsg": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestEventDoneChannel": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestGRPCLBStatsUnarySuccess": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestClientBinaryLogFullDuplexRPC": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestTypeForNameNotFound": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestGetSocket": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestRunSubTests": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestClientBinaryLogFullDuplexRPCError": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestHeaderMessageConfigRegexp": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestClientBinaryLogServerStreamRPC": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestGetServerSocketsNonZeroStartID": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestUnmarshalJSON_NilReceiver": {"run": "PASS", "test": "PASS", "fix": "PASS"}, "TestStatus_ErrorDetails_Fail": {"run": "PASS", "test": "PASS", "fix": "PASS"}}
{"TestGRPCLBStatsUnaryDrop": {"run": "PASS", "test": "FAIL", "fix": "PASS"}, "TestGRPCLBStatsStreamingDrop": {"run": "PASS", "test": "FAIL", "fix": "PASS"}}
{"passed_count": 204, "failed_count": 2, "skipped_count": 0, "passed_tests": ["TestOneBackend", "TestServerStatsUnaryRPC", "TestPipeClose", "TestAppendToOutgoingContext_FromKVSlice", "TestBalancerGroup_TwoRR_ChangeWeight_MoreBackends", "TestServerBinaryLogServerStreamRPCError", "TestIsRoundRobin", "TestEventHasFired", "TestFillMethodLoggerWithConfigStringInvalid", "TestGetServers", "TestServerStatsFullDuplexRPC", "TestSayHello", "TestBalancerGroup_TwoRR_OneBackend", "TestGRPCLBStatsUnaryDrop", "TestHeaderConfigRegexp", "TestErrorsWithSameParameters", "TestAuthInfoFromContext", "TestFromErrorUnknownError", "TestPingPong", "TestGRPCLBStatsStreamingSuccess", "TestIsRunningOnGCP", "TestDial", "TestTruncateMessageNotTruncated", "TestServerBinaryLogFullDuplexError", "TestConvertUnknownError", "TestDNSResolverRetry", "TestClientHandshake", "TestLBCacheClientConnExpire", "TestGetSocketOptions", "TestClientHealthCheckBackoff", "TestPairsMD", "TestErrorProtoOK", "TestServerHandshakeReturnsAuthInfo", "TestFromErrorImplementsInterface", "TestFileDescForType", "TestBalancerGroup_TwoRR_MoreBackends", "TestAES128GCMEncrypt", "TestNewLoggerFromConfigStringInvalid", "TestFromNilProto", "TestStatus_ErrorDetails_Fail", "TestListener", "TestResolve", "TestCloneServer", "TestAllExtensionNumbersForType", "TestClientBinaryLogCancel", "TestRegister", "TestParseMethodNameInvalid", "TestResolveFunc", "TestServerStatsServerStreamRPCError", "TestServerStatsFullDuplexRPCError", "TestRouteChat", "TestNoSetupOrTeardown", "TestListenerAndDialer", "TestIncorrectMsgType", "TestGetSocketOpt", "TestSet", "TestSmallReadBuffer", "TestConnCloseWithData", "TestPipeListener", "TestAllServersDown", "TestClientBinaryLogClientStreamRPCError", "TestClientStatsServerStreamRPC", "TestClientStatsServerStreamRPCError", "TestCloseWhileAccepting", "TestClientStatsUnaryRPCError", "TestCompareRPCVersions", "TestGetMethodLoggerOff", "TestErrorOK", "TestSync", 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