[git tests] Move prepareRemoteRepoAndBranch to GitLightTest.

plugins/git4idea/tests/git4idea/branch/GitBranchWorkerTest.groovy

@@ -525,8 +525,12 @@ class GitBranchWorkerTest extends GitLightTest {
   @Test
   public void "delete branch merged to head but unmerged to upstream should show dialog"() {
     // inspired by IDEA-83604
+    // for the sake of simplicity we deal with a single myCommunity repository for remote operations
+    prepareRemoteRepoAndBranch(myCommunity)
+    cd myCommunity
+    git("checkout -b feature");
+    git("push -u origin feature")
 
-    prepareRemoteRepoAndBranch("feature")
     // create a commit and merge it to master, but not to feature's upstream
     touch("feature.txt", "feature content")
     git("add feature.txt")
@@ -544,25 +548,6 @@ class GitBranchWorkerTest extends GitLightTest {
     assertTrue "'Branch is not fully merged' dialog was not shown", dialogShown
   }
 
-  // for the sake of simplicity we deal with a single myCommunity repository for remote operations
-  private void prepareRemoteRepoAndBranch(String branch) {
-    // prepare parent repository
-    // create it under ultimate not to bother with removing it after the test (tearDown will clean automatically)
-    cd myUltimate
-    git("clone --bare $myCommunity parent.git")
-
-    // initialize feature branch and push to make origin/feature, set up tracking
-    cd myCommunity
-    git("checkout -b $branch");
-    git("remote add origin ${myUltimate.root.path}/parent.git");
-    git("push -u origin $branch")
-  }
-
-  @Test
-  void "delete remote branch without problems"() {
-
-  }
-
   @Test
   public void "simple merge without problems"() {
     branchWithCommit(myRepositories, "master2", "branch_file.txt", "branch content")

plugins/git4idea/tests/git4idea/test/GitLightTest.groovy

@@ -93,6 +93,18 @@ class GitLightTest {
     return repository
   }
 
+  /**
+   * Clones the given source repository into a bare parent.git and adds the remote origin.
+   */
+  protected void prepareRemoteRepoAndBranch(GitRepository source) {
+    cd myTestRoot
+    git("clone --bare $source parent.git")
+
+    // initialize feature branch and push to make origin/feature, set up tracking
+    cd source
+    git("remote add origin ${myTestRoot}/parent.git");
+  }
+
   private void registerRepository(GitRepositoryImpl repository) {
     ((GitTestRepositoryManager)myPlatformFacade.getRepositoryManager(myProject)).add(repository)
   }