integration: drop tick/wait kludge

AIO was updated to solve this.

Signed-off-by: Roman Khimov <[email protected]>

integration_test.go

@@ -43,15 +43,6 @@ const (
 	testHost          = "http://" + testListenAddress
 )
 
-var (
-	tickEpoch = []string{
-		"neo-go", "contract", "invokefunction", "--wallet-config", "/config/node-config.yaml",
-		"-a", "NfgHwwTi3wHAS8aFAN243C5vGbkYDpqLHP", "--force", "-r", "http://localhost:30333",
-		"707516630852f4179af43366917a36b9a78b93a5", "newEpoch", "int:10",
-		"--", "NfgHwwTi3wHAS8aFAN243C5vGbkYDpqLHP:Global",
-	}
-)
-
 func TestIntegration(t *testing.T) {
 	versions := []string{"0.37.0", "0.38.0"}
 
@@ -355,15 +346,6 @@ func createDockerContainer(ctx context.Context, t *testing.T, image string) test
 	})
 	require.NoError(t, err)
 
-	// Have to wait this time. Required for new tick event processing.
-	// Should be removed after fix epochs in AIO start.
-	<-time.After(3 * time.Second)
-
-	_, _, err = aioC.Exec(ctx, tickEpoch)
-	require.NoError(t, err)
-
-	<-time.After(3 * time.Second)
-
 	return aioC
 }