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.

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,
-				20,
-				true,
+				50,
+				100,
+				false,
 			)
+			app.Commit()
 			appHash := app.LastCommitID().Hash
 			appHashList[j] = appHash
 		}