Fix GenerationTerminator test

refs #61

src/main/java/eva2/optimization/operator/terminators/GenerationTerminator.java

@@ -52,7 +52,7 @@ public class GenerationTerminator implements InterfaceTerminator, Serializable {
 
     @Override
     public String toString() {
-        return "Generations calls = " + maxGenerations;
+        return "Generations calls=" + maxGenerations;
     }
 
     @Parameter(description = "Number of generations to evaluate.")

src/test/java/eva2/optimization/operator/terminators/GenerationTerminatorTest.java

@@ -37,7 +37,7 @@ public class GenerationTerminatorTest {
 
     @Test
     public void testToString() throws Exception {
-        assertEquals("Generation calls = 100", terminator.toString());
+        assertEquals("Generations calls=100", terminator.toString());
     }
 
     @Test