add tests for dealing with remotes

test/integration/pullRebaseInteractiveWithDrop/expected/.git_keep/COMMIT_EDITMSG

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+myfile4 conflict
+
+# Please enter the commit message for your changes. Lines starting
+# with '#' will be ignored, and an empty message aborts the commit.
+#
+# interactive rebase in progress; onto 4589efc
+# Last command done (1 command done):
+#    pick 9013b5f myfile4 conflict
+# Next commands to do (3 remaining commands):
+#    pick 0fa5386 5
+#    drop 69a5c9f 6
+# You are currently rebasing branch 'master' on '4589efc'.
+#
+# Changes to be committed:
+#	modified:   myfile4
+#