Increase artificial delay for 2 cluster conformance tests

It delays a bit in between exporting the services so the timestamps
differ to make conflict checking deterministic. However 100 ms is
too short as creation timestamps have seconds granularity so increase
the delay to at least 1 sec.

Signed-off-by: Tom Pantelis <tompantelis@gmail.com>

Author: tpantelis

conformance/conformance_suite.go

@@ -349,9 +349,9 @@ func newTwoClusterTestDriver(t *testDriver) *twoClusterTestDriver {
 	})
 
 	JustBeforeEach(func() {
-		// Sleep a little before deploying on the second cluster to ensure the first cluster's ServiceExport timestamp
-		// is older so conflict checking is deterministic.
-		time.Sleep(100 * time.Millisecond)
+		// Delay a little before deploying on the second cluster to ensure the first cluster's ServiceExport timestamp
+		// is older so conflict checking is deterministic. Make the delay at least 1 sec as creation timestamps have seconds granularity.
+		time.Sleep(1100 * time.Millisecond)
 
 		t.deployHelloService(&clients[1], tt.helloService2)
 		t.createServiceExport(&clients[1], tt.helloServiceExport2)