(fix) Remove t.Skip which relate TestSimulateValidatorsChange

- TestHandshakeReplayAll
- TestHandshakeReplaySome
- TestHandshakeReplayOne
- TestHandshakeReplayNone
- TestMockProxyApp

consensus/replay_test.go

@@ -532,8 +532,6 @@ func TestSimulateValidatorsChange(t *testing.T) {
 
 // Sync from scratch
 func TestHandshakeReplayAll(t *testing.T) {
-	t.Skip("With decision to skip TestSimulateValidatorsChange, we also skip this test case" +
-		" that uses the StateDB/BlockDB created in there.")
 	for _, m := range modes {
 		testHandshakeReplay(t, config, 0, m, false)
 	}
@@ -544,8 +542,6 @@ func TestHandshakeReplayAll(t *testing.T) {
 
 // Sync many, not from scratch
 func TestHandshakeReplaySome(t *testing.T) {
-	t.Skip("With decision to skip TestSimulateValidatorsChange, we also skip this test case" +
-		" that uses the StateDB/BlockDB created in there.")
 	for _, m := range modes {
 		testHandshakeReplay(t, config, 2, m, false)
 	}
@@ -556,8 +552,6 @@ func TestHandshakeReplaySome(t *testing.T) {
 
 // Sync from lagging by one
 func TestHandshakeReplayOne(t *testing.T) {
-	t.Skip("With decision to skip TestSimulateValidatorsChange, we also skip this test case" +
-		" that uses the StateDB/BlockDB created in there.")
 	for _, m := range modes {
 		testHandshakeReplay(t, config, numBlocks-1, m, false)
 	}
@@ -568,8 +562,6 @@ func TestHandshakeReplayOne(t *testing.T) {
 
 // Sync from caught up
 func TestHandshakeReplayNone(t *testing.T) {
-	t.Skip("With decision to skip TestSimulateValidatorsChange, we also skip this test case" +
-		" that uses the StateDB/BlockDB created in there.")
 	for _, m := range modes {
 		testHandshakeReplay(t, config, numBlocks, m, false)
 	}
@@ -580,8 +572,6 @@ func TestHandshakeReplayNone(t *testing.T) {
 
 // Test mockProxyApp should not panic when app return ABCIResponses with some empty ResponseDeliverTx
 func TestMockProxyApp(t *testing.T) {
-	t.Skip("With decision to skip TestSimulateValidatorsChange, we also skip this test case" +
-		" that uses global variable `sim` initialized in testHandshakeReplay.")
 	sim.CleanupFunc() // clean the test env created in TestSimulateValidatorsChange
 	logger := log.TestingLogger()
 	var validTxs, invalidTxs = 0, 0