Fix stupid test

prison-core/src/test/java/tech/mcprison/prison/TestPlatform.java

@@ -94,7 +94,7 @@ public TestPlatform(File pluginDirectory, boolean suppressOutput) {
     }
 
     @Override public Scheduler getScheduler() {
-        return null;
+        return new TestScheduler();
     }
 
     @Override public GUI createGUI(String title, int numRows) {

prison-core/src/test/java/tech/mcprison/prison/TestScheduler.java

@@ -0,0 +1,32 @@
+package tech.mcprison.prison;
+
+import tech.mcprison.prison.internal.Scheduler;
+
+/**
+ * @author Faizaan A. Datoo
+ */
+public class TestScheduler implements Scheduler {
+    @Override public int runTaskLater(Runnable run, long delay) {
+        return 0;
+    }
+
+    @Override public int runTaskLaterAsync(Runnable run, long delay) {
+        return 0;
+    }
+
+    @Override public int runTaskTimer(Runnable run, long delay, long interval) {
+        return 0;
+    }
+
+    @Override public int runTaskTimerAsync(Runnable run, long delay, long interval) {
+        return 0;
+    }
+
+    @Override public void cancelTask(int taskId) {
+
+    }
+
+    @Override public void cancelAll() {
+
+    }
+}