Fix some flappers and update Go version for nightly code coverage

Signed-off-by: Ivan Kozlovic <ivan@synadia.com>

.github/workflows/cov.yaml

@@ -22,7 +22,7 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v2
         with:
-          go-version: 1.17.x
+          go-version: 1.19.x
 
       - name: Run code coverage
         shell: bash --noprofile --norc -x -eo pipefail {0}

server/gateway_test.go

@@ -568,6 +568,8 @@ func TestGatewayHeaderSupport(t *testing.T) {
 
 	// s1 should have an outbound gateway to s2.
 	waitForOutboundGateways(t, s1, 1, time.Second)
+	// and an inbound too
+	waitForInboundGateways(t, s1, 1, time.Second)
 	// s2 should have an inbound gateway
 	waitForInboundGateways(t, s2, 1, time.Second)
 	// and an outbound too
@@ -585,6 +587,9 @@ func TestGatewayHeaderSupport(t *testing.T) {
 		t.Fatalf("Error receiving msg from server: %v\n", err)
 	}
 
+	// Wait for interest to be registered on s2
+	checkGWInterestOnlyModeInterestOn(t, s2, "A", globalAccountName, "foo")
+
 	b, _, _ := newClientForServer(s2)
 	defer b.close()
 
@@ -633,6 +638,8 @@ func TestGatewayHeaderDeliverStrippedMsg(t *testing.T) {
 
 	// s1 should have an outbound gateway to s2.
 	waitForOutboundGateways(t, s1, 1, time.Second)
+	// and an inbound too
+	waitForInboundGateways(t, s1, 1, time.Second)
 	// s2 should have an inbound gateway
 	waitForInboundGateways(t, s2, 1, time.Second)
 	// and an outbound too
@@ -650,6 +657,9 @@ func TestGatewayHeaderDeliverStrippedMsg(t *testing.T) {
 		t.Fatalf("Error receiving msg from server: %v\n", err)
 	}
 
+	// Wait for interest to be registered on s2
+	checkGWInterestOnlyModeInterestOn(t, s2, "A", globalAccountName, "foo")
+
 	b, _, _ := newClientForServer(s2)
 	defer b.close()