[FLINK-1354] Made test graph for TransitiveClosureITCase smaller

This closes #285

flink-tests/src/test/java/org/apache/flink/test/exampleJavaPrograms/TransitiveClosureITCase.java

@@ -31,9 +31,9 @@ public class TransitiveClosureITCase extends JavaProgramTestBase {
 
 	private static final long SEED = 0xBADC0FFEEBEEFL;
 
-	private static final int NUM_VERTICES = 1000;
+	private static final int NUM_VERTICES = 100;
 
-	private static final int NUM_EDGES = 10000;
+	private static final int NUM_EDGES = 500;
 
 	private String edgesPath;
 	private String resultPath;

flink-tests/src/test/java/org/apache/flink/test/exampleScalaPrograms/TransitiveClosureITCase.java

@@ -31,9 +31,9 @@ public class TransitiveClosureITCase extends JavaProgramTestBase {
 
     private static final long SEED = 0xBADC0FFEEBEEFL;
 
-    private static final int NUM_VERTICES = 1000;
+    private static final int NUM_VERTICES = 100;
 
-    private static final int NUM_EDGES = 10000;
+    private static final int NUM_EDGES = 500;
 
     private String edgesPath;
     private String resultPath;