don't expect betas when both exist

spec/unit/libraries/xcode_spec.rb

@@ -55,26 +55,34 @@ describe MacOS::Xcode do
                      "9.3\n",
                      "9.4\n",
                      "9.4.1\n",
-                     "9.4.2\n",
                      "9.4.2 beta 2\n",
-                     "10\n",
+                     "9.4.2\n",
+                     "9.4.2 beta 3\n",
+                     "10 beta 1\n", 
                      "10 GM seed\n",
+                     "10\n",
                      "10.1\n",
                      "10.3\n",
                      "11.0\n"]
                    )
     end
-    it 'returns the name of Xcode 10 GM when initialized with the semantic version' do
+    it 'returns the name of Xcode 10 official when initialized with the semantic version' do
       xcode = MacOS::Xcode.new('10.0', '/Applications/Xcode.app')
-      expect(xcode.version).to eq '10 GM seed'
+      expect(xcode.version).to eq '10'
+      expect(xcode.version).to_not eq '10 GM seed'
+      expect(xcode.version).to_not eq '10 beta 1'
+
     end
-    it 'returns the name of Xcode 9.4 beta when initialized with the semantic version' do
+    it 'returns the name of Xcode 9.4.2 official when initialized with the semantic version' do
       xcode = MacOS::Xcode.new('9.4.2', '/Applications/Xcode.app')
-      expect(xcode.version).to eq '9.4.2 beta 2'
+      expect(xcode.version).to eq '9.4.2'
+      expect(xcode.version).to_not eq '9.4.2 beta 2'
+      expect(xcode.version).to_not eq '9.4.2 beta 3'
+
     end
     it 'returns the temporary beta path set by xcversion when initialized with the semantic version' do
       xcode = MacOS::Xcode.new('9.4.2', '/Applications/Xcode.app')
-      expect(xcode.current_path).to eq '/Applications/Xcode-9.4.2.beta.2.app'
+      expect(xcode.current_path).to eq '/Applications/Xcode-9.4.2.app'
     end
     it 'returns the name of Xcode 9.3 when initialized with the semantic version' do
       xcode = MacOS::Xcode.new('9.3', '/Applications/Xcode.app')