Remove `jenkins.setNodes(jenkins.getNodes())` style hacks to force the master...

Remove `jenkins.setNodes(jenkins.getNodes())` style hacks to force the master number of executors to be updated

test/src/test/groovy/hudson/model/AbstractProjectTest.groovy

@@ -400,7 +400,6 @@ public class AbstractProjectTest extends HudsonTestCase {
     public void testQueueSuccessBehavior() {
         // prevent any builds to test the behaviour
         jenkins.numExecutors = 0;
-        jenkins.updateComputerList(false);
 
         def p = createFreeStyleProject()
         def f = p.scheduleBuild2(0)
@@ -419,7 +418,6 @@ public class AbstractProjectTest extends HudsonTestCase {
     public void testQueueSuccessBehaviorOverHTTP() {
         // prevent any builds to test the behaviour
         jenkins.numExecutors = 0;
-        jenkins.updateComputerList(false);
 
         def p = createFreeStyleProject()
         def wc = createWebClient();

test/src/test/java/hudson/model/ExecutorTest.java

@@ -34,7 +34,6 @@ public class ExecutorTest {
     @Test
     public void yank() throws Exception {
         j.jenkins.setNumExecutors(1);
-        j.jenkins.updateComputerList(true);
         Computer c = j.jenkins.toComputer();
         final Executor e = c.getExecutors().get(0);
 
@@ -59,7 +58,6 @@ public class ExecutorTest {
     @Issue("JENKINS-4756")
     public void whenAnExecutorIsYankedANewExecutorTakesItsPlace() throws Exception {
         j.jenkins.setNumExecutors(1);
-        j.jenkins.updateComputerList(true);
 
         Computer c = j.jenkins.toComputer();
         Executor e = getExecutorByNumber(c, 0);

test/src/test/java/hudson/model/GetEnvironmentOutsideBuildTest.java

@@ -48,7 +48,6 @@ public class GetEnvironmentOutsideBuildTest extends HudsonTestCase {
 
     private void restoreOldNumExecutors() throws IOException {
         Jenkins.getInstance().setNumExecutors(this.oldExecNum);
-        Jenkins.getInstance().setNodes(Jenkins.getInstance().getNodes());
         assertNotNull(Jenkins.getInstance().toComputer());
     }
 
@@ -64,8 +63,6 @@ public class GetEnvironmentOutsideBuildTest extends HudsonTestCase {
 
     private void whenJenkinsMasterHasNoExecutors() throws IOException {
         Jenkins.getInstance().setNumExecutors(0);
-        // force update of nodes:
-        Jenkins.getInstance().setNodes(Jenkins.getInstance().getNodes());
         assertNull(Jenkins.getInstance().toComputer());
     }
 

test/src/test/java/hudson/model/QueueTest.java

@@ -112,7 +112,6 @@ public class QueueTest {
 
         // prevent execution to push stuff into the queue
         r.jenkins.setNumExecutors(0);
-        r.jenkins.setNodes(r.jenkins.getNodes());
 
         FreeStyleProject testProject = r.createFreeStyleProject("test");
         testProject.scheduleBuild(new UserIdCause());
@@ -161,7 +160,6 @@ public class QueueTest {
 
         // prevent execution to push stuff into the queue
         r.jenkins.setNumExecutors(0);
-        r.jenkins.setNodes(r.jenkins.getNodes());
 
         FreeStyleProject testProject = r.createFreeStyleProject("test");
         testProject.scheduleBuild(new UserIdCause());