Write more tests

tests/PredictorTest.ts

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+import { it, describe } from 'mocha';
+import { expect } from 'chai';
+
+import Predictor from '../src/Predictor';
+
+describe('Predictor', function() {
+    it('Get prediction for one daemon state', function() {
+        const predictor = new Predictor({
+            base: 2,
+            supervisor_epsilon: 0.01,
+            daemons: [{ robot: 1, human: 1, epsilon: 0.01 }],
+        });
+        const predicted = predictor.pass(1);
+        expect(predicted).to.equals(0);
+        expect(predictor.stepCount()).to.equals(1);
+    });
+});

tests/SupervisorTest.ts

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+import { it, describe } from 'mocha';
+import { expect } from 'chai';
+
+import Supervisor from '../src/Supervisor';
+import Daemon from '../src/Daemon';
+import Journal from '../src/Journal';
+
+describe('Supervisor', function() {
+    it('Get prediction for one daemon state', function() {
+        const supervisor = new Supervisor([new Daemon(2, 1, 1, 0.01)], 0.01);
+        const journal = new Journal();
+
+        const human1 = 1;
+        const predicted1 = supervisor.predict(journal);
+        expect(0).to.equals(predicted1, 'First prediction for empty journal');
+
+        journal.makeMove(human1, predicted1);
+        supervisor.adjust(journal, human1);
+
+        const human2 = 1;
+        const predicted2 = supervisor.predict(journal);
+        expect(1).to.equals(
+            predicted2,
+            `Second prediction for (${human1}, ${predicted1})`
+        );
+
+        journal.makeMove(human2, predicted1);
+        supervisor.adjust(journal, human2);
+    });
+});