two-fer: add generator and regenerate tests

exercises/practice/two-fer/.meta/generator.tpl

@@ -0,0 +1,8 @@
+(ns two-fer-test
+  (:require [clojure.test :refer [deftest testing is]]
+            two-fer))
+{{#test_cases.twoFer}}
+(deftest two-fer_test_{{idx}}
+  (testing "{{description}}"
+    (is (= "{{expected}}" (two-fer/two-fer{{#input.name}} "{{input.name}}"{{/input.name}})))))
+{{/test_cases.twoFer~}}

exercises/practice/two-fer/src/two_fer.clj

@@ -1,5 +1,7 @@
 (ns two-fer)
 
-(defn two-fer [name] ;; <- arglist goes here
-  ;; your code goes here
-)
+(defn two-fer
+  "Return what you will say as you give away the extra cookie"
+  [name]
+  ;; function body
+  )

exercises/practice/two-fer/test/two_fer_test.clj

@@ -1,12 +1,15 @@
 (ns two-fer-test
-  (:require [clojure.test :refer [deftest is]]
+  (:require [clojure.test :refer [deftest testing is]]
             two-fer))
 
-(deftest two-fer-test
-  (is (= "One for you, one for me." (two-fer/two-fer))))
+(deftest two-fer_test_1
+  (testing "no name given"
+    (is (= "One for you, one for me." (two-fer/two-fer)))))
 
-(deftest name-alice-test
-  (is (= "One for Alice, one for me." (two-fer/two-fer "Alice"))))
+(deftest two-fer_test_2
+  (testing "a name given"
+    (is (= "One for Alice, one for me." (two-fer/two-fer "Alice")))))
 
-(deftest name-bob-test
-  (is (= "One for Bob, one for me." (two-fer/two-fer "Bob"))))
+(deftest two-fer_test_3
+  (testing "another name given"
+    (is (= "One for Bob, one for me." (two-fer/two-fer "Bob")))))