Add ecukes steps to set the defcustom for each buffer

Author: dgtized

features/magic-requires-in-cljc-files.feature

@@ -2,6 +2,7 @@
     Given I have a project "cljr" in "tmp"
     And I have a clojure-file "tmp/src/cljr/core.cljc"
     And I open file "tmp/src/cljr/core.cljc"
+    And the `cljr-slash-uses-suggest-libspec' flag is disabled
     And I clear the buffer
 
   Scenario: Does the right thing when facing clj reader conditionals

features/magic-requires.feature

@@ -4,6 +4,7 @@ Feature: Magic requires
     Given I have a project "cljr" in "tmp"
     And I have a clojure-file "tmp/src/cljr/core.clj"
     And I open file "tmp/src/cljr/core.clj"
+    And the `cljr-slash-uses-suggest-libspec' flag is disabled
     And I clear the buffer
 
   Scenario: Require is inserted automagically

features/step-definitions/clj-refactor-steps.el

@@ -408,6 +408,11 @@
            (cljr--change-function-signature (list (cljr--plist-to-hash (cl-second cljr--test-occurrences)))
                                             cljr--baz-renamed-to-qux))))
 
+;; TODO: deprecate dependent tests after `cljr-slash-uses-suggest-libspec' is the only path.
+(Given "The `cljr-slash-uses-suggest-libspec' flag is disabled"
+       (lambda ()
+         (setq-local cljr-slash-uses-suggest-libspec nil)))
+
 (Given "The cache of namespace aliases is populated"
        (lambda ()
          (defun cljr--call-middleware-for-namespace-aliases ()