Fix throttler tests (#114)

Throttler tests do not work unless the server is actually multithreaded

Author: Katsute

src/test/java/com/kttdevelopment/simplehttpserver/handlers/throttler/ExchangeThrottlerTest.java

@@ -12,8 +12,7 @@
 import java.net.URI;
 import java.net.http.*;
 import java.time.Duration;
-import java.util.concurrent.ExecutionException;
-import java.util.concurrent.TimeUnit;
+import java.util.concurrent.*;
 
 public final class ExchangeThrottlerTest {
 
@@ -22,6 +21,7 @@ public void exchangeThrottler() throws IOException{
         final int port = 8080;
 
         final SimpleHttpServer server = SimpleHttpServer.create(port);
+        server.setExecutor(Executors.newCachedThreadPool());
 
         final String context = "";
         server.createContext(

src/test/java/com/kttdevelopment/simplehttpserver/handlers/throttler/ServerExchangeThrottlerTest.java

@@ -19,6 +19,7 @@ public final void serverExchangeThrottler() throws IOException{
         final int port = 8080;
 
         final SimpleHttpServer server = SimpleHttpServer.create(port);
+        server.setExecutor(Executors.newCachedThreadPool());
 
         final String context = "";
         server.createContext(

src/test/java/com/kttdevelopment/simplehttpserver/handlers/throttler/ServerSessionThrottlerTest.java

@@ -11,8 +11,7 @@
 import java.net.URI;
 import java.net.http.*;
 import java.time.Duration;
-import java.util.concurrent.ExecutionException;
-import java.util.concurrent.TimeUnit;
+import java.util.concurrent.*;
 
 public final class ServerSessionThrottlerTest {
 
@@ -21,6 +20,7 @@ public final void serverSessionThrottler() throws IOException{
         final int port = 8080;
 
         final SimpleHttpServer server = SimpleHttpServer.create(port);
+        server.setExecutor(Executors.newCachedThreadPool());
         final HttpSessionHandler sessionHandler = new HttpSessionHandler();
         server.setHttpSessionHandler(sessionHandler);
 

src/test/java/com/kttdevelopment/simplehttpserver/handlers/throttler/SessionThrottlerTest.java

@@ -11,8 +11,7 @@
 import java.net.URI;
 import java.net.http.*;
 import java.time.Duration;
-import java.util.concurrent.ExecutionException;
-import java.util.concurrent.TimeUnit;
+import java.util.concurrent.*;
 
 public final class SessionThrottlerTest {
 
@@ -21,6 +20,7 @@ public final void sessionThrottler() throws IOException{
         final int port = 8080;
 
         final SimpleHttpServer server = SimpleHttpServer.create(port);
+        server.setExecutor(Executors.newCachedThreadPool());
         final HttpSessionHandler sessionHandler = new HttpSessionHandler();
         server.setHttpSessionHandler(sessionHandler);