simulation: Minor changes

Now that we properly initialize governance, a ton of governance slashing
doesn't happen in the first few blocks. Because of this, we can run through
blocks in the range (0,200) quite rapidly. This PR acknowledges that and
increases many of the default block heights.

Makefile

@@ -157,7 +157,7 @@ test_sim_gaia_nondeterminism:
 
 test_sim_gaia_fast:
 	@echo "Running quick Gaia simulation. This may take several minutes..."
-	@go test ./cmd/gaia/app -run TestFullGaiaSimulation -SimulationEnabled=true -SimulationNumBlocks=50 -v -timeout 24h
+	@go test ./cmd/gaia/app -run TestFullGaiaSimulation -SimulationEnabled=true -SimulationNumBlocks=150 -v -timeout 24h
 
 test_sim_gaia_slow:
 	@echo "Running full Gaia simulation. This may take awhile!"

cmd/gaia/app/sim_test.go

@@ -189,7 +189,7 @@ func TestAppStateDeterminism(t *testing.T) {
 		t.Skip("Skipping Gaia simulation")
 	}
 
-	numSeeds := 5
+	numSeeds := 3
 	numTimesToRunPerSeed := 5
 	appHashList := make([]json.RawMessage, numTimesToRunPerSeed)
 
@@ -206,10 +206,11 @@ func TestAppStateDeterminism(t *testing.T) {
 				testAndRunTxs(app),
 				[]simulation.RandSetup{},
 				[]simulation.Invariant{},
-				20,
+				50,
-				20,
+				100,
-				true,
+				false,
 			)
+			app.Commit()
 			appHash := app.LastCommitID().Hash
 			appHashList[j] = appHash
 		}