Restore compatibility for GitSampleRepoRule (jenkinsci#1626)

* Restore compatibility for GitSampleRepoRule

I forgot that there are other consumers of the Git plugin test suite.

Plugin BOM automated tests detected the problem.

* Remove code repetition introduced by prior commit

src/test/java/hudson/plugins/git/GitStepTest.java

@@ -328,7 +328,7 @@ private WorkflowJob createJob() throws Exception {
     public void testDoNotifyCommitWithInvalidApiToken() throws Exception {
         assumeTrue("Test class max time " + MAX_SECONDS_FOR_THESE_TESTS + " exceeded", isTimeAvailable());
         createJob();
-        String response = sampleRepo.notifyCommit(r, GitSampleRepoRule.INVALID_NOTIFY_COMMIT_TOKEN);
+        String response = sampleRepo.notifyCommitWithResults(r, GitSampleRepoRule.INVALID_NOTIFY_COMMIT_TOKEN);
         assertThat(response, containsString("Invalid access token"));
     }
 
@@ -337,7 +337,7 @@ public void testDoNotifyCommitWithInvalidApiToken() throws Exception {
     public void testDoNotifyCommitWithAllowModeRandomValue() throws Exception {
         assumeTrue("Test class max time " + MAX_SECONDS_FOR_THESE_TESTS + " exceeded", isTimeAvailable());
         createJob();
-        String response = sampleRepo.notifyCommit(r, null);
+        String response = sampleRepo.notifyCommitWithResults(r, null);
         assertThat(response, containsString("An access token is required. Please refer to Git plugin documentation (https://plugins.jenkins.io/git/#plugin-content-push-notification-from-repository) for details."));
     }
 
@@ -349,7 +349,7 @@ public void testDoNotifyCommitWithSha1AndAllowModePollWithInvalidToken() throws
         createJob();
         /* sha1 is ignored because invalid access token is provided */
         String sha1 = "4b714b66959463a98e9dfb1983db5a39a39fa6d6";
-        String response = sampleRepo.notifyCommit(r, GitSampleRepoRule.INVALID_NOTIFY_COMMIT_TOKEN, sha1);
+        String response = sampleRepo.notifyCommitWithResults(r, GitSampleRepoRule.INVALID_NOTIFY_COMMIT_TOKEN, sha1);
         assertThat(response, containsString("Invalid access token"));
     }
 
@@ -361,7 +361,7 @@ public void testDoNotifyCommitWithSha1AndAllowModePoll() throws Exception {
         createJob();
         /* sha1 is ignored because no access token is provided */
         String sha1 = "4b714b66959463a98e9dfb1983db5a39a39fa6d6";
-        String response = sampleRepo.notifyCommit(r, null, sha1);
+        String response = sampleRepo.notifyCommitWithResults(r, null, sha1);
         assertThat(response, containsString("An access token is required when using the sha1 parameter"));
     }
 

src/test/java/jenkins/plugins/git/GitSampleRepoRule.java

@@ -101,13 +101,18 @@ public final boolean mkdirs(String rel) throws IOException {
         return new File(this.sampleRepo, rel).mkdirs();
     }
 
-    public String notifyCommit(JenkinsRule r) throws Exception {
+    public void notifyCommit(JenkinsRule r) throws Exception {
         String notifyCommitToken = ApiTokenPropertyConfiguration.get().generateApiToken("notifyCommit").getString("value");
-        return notifyCommit(r, notifyCommitToken, null);
+        notifyCommitWithResults(r, notifyCommitToken, null);
     }
 
-    public String notifyCommit(JenkinsRule r, @CheckForNull String notifyCommitToken) throws Exception {
-        return notifyCommit(r, notifyCommitToken, null);
+    public String notifyCommitWithResults(JenkinsRule r) throws Exception {
+        String notifyCommitToken = ApiTokenPropertyConfiguration.get().generateApiToken("notifyCommit").getString("value");
+        return notifyCommitWithResults(r, notifyCommitToken, null);
+    }
+
+    public String notifyCommitWithResults(JenkinsRule r, @CheckForNull String notifyCommitToken) throws Exception {
+        return notifyCommitWithResults(r, notifyCommitToken, null);
     }
 
     /**
@@ -126,7 +131,7 @@ public String notifyCommit(JenkinsRule r, @CheckForNull String notifyCommitToken
      * @param notifyCommitToken token used for notifyCommit authentication
      * @param sha1 SHA-1 hash to included in notifyCommit
      **/
-    public String notifyCommit(JenkinsRule r, @CheckForNull String notifyCommitToken, @CheckForNull String sha1) throws Exception {
+    public String notifyCommitWithResults(JenkinsRule r, @CheckForNull String notifyCommitToken, @CheckForNull String sha1) throws Exception {
         boolean expectError = notifyCommitToken == null || notifyCommitToken.contains(INVALID_NOTIFY_COMMIT_TOKEN);
         synchronousPolling(r);
         JenkinsRule.WebClient webClient = r.createWebClient();