Fix specs and remove Ruby warnings

[sunny]

Before when calling rspec:

/Users/sunny/code/clabe/lib/clabe.rb:151: warning: key "027" is duplicated and overwritten on line 152
/Users/sunny/code/clabe/lib/clabe.rb:153: warning: key "028" is duplicated and overwritten on line 154
/Users/sunny/code/clabe/lib/clabe.rb:154: warning: key "028" is duplicated and overwritten on line 155
/Users/sunny/code/clabe/lib/clabe.rb:172: warning: key "060" is duplicated and overwritten on line 173
/Users/sunny/code/clabe/lib/clabe.rb:175: warning: key "062" is duplicated and overwritten on line 176
/Users/sunny/code/clabe/lib/clabe.rb:186: warning: key "072" is duplicated and overwritten on line 187
/Users/sunny/code/clabe/lib/clabe.rb:206: warning: key "100" is duplicated and overwritten on line 207
/Users/sunny/code/clabe/lib/clabe.rb:216: warning: key "109" is duplicated and overwritten on line 217
/Users/sunny/code/clabe/lib/clabe.rb:246: warning: key "138" is duplicated and overwritten on line 247
/Users/sunny/code/clabe/lib/clabe.rb:249: warning: key "150" is duplicated and overwritten on line 250
/Users/sunny/code/clabe/lib/clabe.rb:252: warning: key "152" is duplicated and overwritten on line 253
/Users/sunny/code/clabe/lib/clabe.rb:256: warning: key "155" is duplicated and overwritten on line 257
/Users/sunny/code/clabe/lib/clabe.rb:260: warning: key "158" is duplicated and overwritten on line 261
/Users/sunny/code/clabe/lib/clabe.rb:264: warning: key "161" is duplicated and overwritten on line 265
/Users/sunny/code/clabe/lib/clabe.rb:266: warning: key "162" is duplicated and overwritten on line 267
/Users/sunny/code/clabe/lib/clabe.rb:270: warning: key "165" is duplicated and overwritten on line 271
/Users/sunny/code/clabe/lib/clabe.rb:273: warning: key "167" is duplicated and overwritten on line 274
/Users/sunny/code/clabe/lib/clabe.rb:275: warning: key "168" is duplicated and overwritten on line 276
/Users/sunny/code/clabe/lib/clabe.rb:282: warning: key "180" is duplicated and overwritten on line 283
/Users/sunny/code/clabe/lib/clabe.rb:283: warning: key "180" is duplicated and overwritten on line 284
/Users/sunny/code/clabe/lib/clabe.rb:284: warning: key "180" is duplicated and overwritten on line 285
/Users/sunny/code/clabe/lib/clabe.rb:285: warning: key "180" is duplicated and overwritten on line 286
/Users/sunny/code/clabe/lib/clabe.rb:286: warning: key "180" is duplicated and overwritten on line 287
/Users/sunny/code/clabe/lib/clabe.rb:287: warning: key "180" is duplicated and overwritten on line 288
/Users/sunny/code/clabe/lib/clabe.rb:288: warning: key "180" is duplicated and overwritten on line 289
/Users/sunny/code/clabe/lib/clabe.rb:289: warning: key "180" is duplicated and overwritten on line 290
/Users/sunny/code/clabe/lib/clabe.rb:290: warning: key "180" is duplicated and overwritten on line 291
/Users/sunny/code/clabe/lib/clabe.rb:291: warning: key "180" is duplicated and overwritten on line 292
/Users/sunny/code/clabe/lib/clabe.rb:292: warning: key "180" is duplicated and overwritten on line 293
/Users/sunny/code/clabe/lib/clabe.rb:293: warning: key "180" is duplicated and overwritten on line 294
/Users/sunny/code/clabe/lib/clabe.rb:294: warning: key "180" is duplicated and overwritten on line 295
/Users/sunny/code/clabe/lib/clabe.rb:295: warning: key "180" is duplicated and overwritten on line 296
/Users/sunny/code/clabe/lib/clabe.rb:296: warning: key "180" is duplicated and overwritten on line 297
/Users/sunny/code/clabe/lib/clabe.rb:338: warning: key "237" is duplicated and overwritten on line 339
/Users/sunny/code/clabe/lib/clabe.rb:364: warning: key "272" is duplicated and overwritten on line 365
/Users/sunny/code/clabe/lib/clabe.rb:367: warning: key "274" is duplicated and overwritten on line 368
/Users/sunny/code/clabe/lib/clabe.rb:381: warning: key "294" is duplicated and overwritten on line 382
/Users/sunny/code/clabe/lib/clabe.rb:403: warning: key "320" is duplicated and overwritten on line 404
/Users/sunny/code/clabe/lib/clabe.rb:404: warning: key "320" is duplicated and overwritten on line 405
/Users/sunny/code/clabe/lib/clabe.rb:405: warning: key "320" is duplicated and overwritten on line 406
/Users/sunny/code/clabe/lib/clabe.rb:406: warning: key "320" is duplicated and overwritten on line 407
/Users/sunny/code/clabe/lib/clabe.rb:407: warning: key "320" is duplicated and overwritten on line 408
/Users/sunny/code/clabe/lib/clabe.rb:419: warning: key "331" is duplicated and overwritten on line 420
/Users/sunny/code/clabe/lib/clabe.rb:423: warning: key "334" is duplicated and overwritten on line 424
/Users/sunny/code/clabe/lib/clabe.rb:465: warning: key "375" is duplicated and overwritten on line 466
/Users/sunny/code/clabe/lib/clabe.rb:466: warning: key "375" is duplicated and overwritten on line 467
/Users/sunny/code/clabe/lib/clabe.rb:467: warning: key "375" is duplicated and overwritten on line 468
/Users/sunny/code/clabe/lib/clabe.rb:497: warning: key "404" is duplicated and overwritten on line 498
/Users/sunny/code/clabe/lib/clabe.rb:528: warning: key "437" is duplicated and overwritten on line 529
/Users/sunny/code/clabe/lib/clabe.rb:543: warning: key "451" is duplicated and overwritten on line 544
/Users/sunny/code/clabe/lib/clabe.rb:546: warning: key "453" is duplicated and overwritten on line 547
/Users/sunny/code/clabe/lib/clabe.rb:589: warning: key "501" is duplicated and overwritten on line 590
/Users/sunny/code/clabe/lib/clabe.rb:629: warning: key "542" is duplicated and overwritten on line 630
/Users/sunny/code/clabe/lib/clabe.rb:659: warning: key "580" is duplicated and overwritten on line 660
/Users/sunny/code/clabe/lib/clabe.rb:660: warning: key "580" is duplicated and overwritten on line 661
/Users/sunny/code/clabe/lib/clabe.rb:661: warning: key "580" is duplicated and overwritten on line 662
/Users/sunny/code/clabe/lib/clabe.rb:662: warning: key "580" is duplicated and overwritten on line 663
/Users/sunny/code/clabe/lib/clabe.rb:663: warning: key "580" is duplicated and overwritten on line 664
/Users/sunny/code/clabe/lib/clabe.rb:664: warning: key "580" is duplicated and overwritten on line 665
/Users/sunny/code/clabe/lib/clabe.rb:665: warning: key "580" is duplicated and overwritten on line 666
/Users/sunny/code/clabe/lib/clabe.rb:687: warning: key "601" is duplicated and overwritten on line 688
/Users/sunny/code/clabe/lib/clabe.rb:688: warning: key "601" is duplicated and overwritten on line 689
/Users/sunny/code/clabe/lib/clabe.rb:693: warning: key "613" is duplicated and overwritten on line 694
/Users/sunny/code/clabe/lib/clabe.rb:708: warning: key "627" is duplicated and overwritten on line 709
/Users/sunny/code/clabe/lib/clabe.rb:710: warning: key "628" is duplicated and overwritten on line 711
/Users/sunny/code/clabe/lib/clabe.rb:713: warning: key "630" is duplicated and overwritten on line 714
/Users/sunny/code/clabe/lib/clabe.rb:718: warning: key "634" is duplicated and overwritten on line 719
/Users/sunny/code/clabe/lib/clabe.rb:721: warning: key "636" is duplicated and overwritten on line 722
/Users/sunny/code/clabe/lib/clabe.rb:723: warning: key "637" is duplicated and overwritten on line 724
/Users/sunny/code/clabe/lib/clabe.rb:728: warning: key "650" is duplicated and overwritten on line 729
/Users/sunny/code/clabe/lib/clabe.rb:729: warning: key "650" is duplicated and overwritten on line 730
/Users/sunny/code/clabe/lib/clabe.rb:730: warning: key "650" is duplicated and overwritten on line 731
/Users/sunny/code/clabe/lib/clabe.rb:731: warning: key "650" is duplicated and overwritten on line 732
/Users/sunny/code/clabe/lib/clabe.rb:737: warning: key "655" is duplicated and overwritten on line 738
/Users/sunny/code/clabe/lib/clabe.rb:751: warning: key "668" is duplicated and overwritten on line 752
/Users/sunny/code/clabe/lib/clabe.rb:755: warning: key "671" is duplicated and overwritten on line 756
/Users/sunny/code/clabe/lib/clabe.rb:762: warning: key "680" is duplicated and overwritten on line 763
/Users/sunny/code/clabe/lib/clabe.rb:763: warning: key "680" is duplicated and overwritten on line 764
/Users/sunny/code/clabe/lib/clabe.rb:764: warning: key "680" is duplicated and overwritten on line 765
/Users/sunny/code/clabe/lib/clabe.rb:773: warning: key "691" is duplicated and overwritten on line 774
/Users/sunny/code/clabe/lib/clabe.rb:814: warning: key "743" is duplicated and overwritten on line 815
/Users/sunny/code/clabe/lib/clabe.rb:830: warning: key "767" is duplicated and overwritten on line 831
/Users/sunny/code/clabe/lib/clabe.rb:834: warning: key "770" is duplicated and overwritten on line 835
/Users/sunny/code/clabe/lib/clabe.rb:849: warning: key "790" is duplicated and overwritten on line 850
/Users/sunny/code/clabe/lib/clabe.rb:852: warning: key "792" is duplicated and overwritten on line 853
/Users/sunny/code/clabe/lib/clabe.rb:872: warning: key "813" is duplicated and overwritten on line 873
/Users/sunny/code/clabe/lib/clabe.rb:881: warning: key "821" is duplicated and overwritten on line 882
/Users/sunny/code/clabe/lib/clabe.rb:883: warning: key "822" is duplicated and overwritten on line 884
/Users/sunny/code/clabe/lib/clabe.rb:894: warning: key "834" is duplicated and overwritten on line 895
/Users/sunny/code/clabe/lib/clabe.rb:901: warning: key "840" is duplicated and overwritten on line 902
/Users/sunny/code/clabe/lib/clabe.rb:933: warning: key "872" is duplicated and overwritten on line 934
/Users/sunny/code/clabe/lib/clabe.rb:937: warning: key "875" is duplicated and overwritten on line 938
/Users/sunny/code/clabe/lib/clabe.rb:957: warning: key "894" is duplicated and overwritten on line 958
/Users/sunny/code/clabe/lib/clabe.rb:967: warning: key "903" is duplicated and overwritten on line 968
/Users/sunny/code/clabe/lib/clabe.rb:970: warning: key "905" is duplicated and overwritten on line 971
/Users/sunny/code/clabe/lib/clabe.rb:978: warning: key "915" is duplicated and overwritten on line 979
/Users/sunny/code/clabe/lib/clabe.rb:1018: warning: key "974" is duplicated and overwritten on line 1021
F

Failures:

  1) Clabe validate
     Failure/Error: expect(actual_city).to eq(expected_city)

       expected: "Huixtla"
            got: "Huixtla MX-CHP"

       (compared using ==)
     # ./spec/clabe_spec.rb:29:in `block (3 levels) in <top (required)>'
     # ./spec/clabe_spec.rb:14:in `each'
     # ./spec/clabe_spec.rb:14:in `block (2 levels) in <top (required)>'

Finished in 0.01242 seconds (files took 0.05537 seconds to load)
1 example, 1 failure

Failed examples:

rspec ./spec/clabe_spec.rb:13 # Clabe validate

After:

.

Finished in 0.00329 seconds (files took 0.05932 seconds to load)
1 example, 0 failures

[sunny]

Fixed by #6