Use the New Style of Logger Spec in Tests

Author: Calum Gilchrist

spec/octocatalog-diff/tests/catalog-util/builddir_spec.rb

@@ -87,7 +87,7 @@
       context 'with --create-symlinks' do
         context 'with logger' do
           it 'should log a warning message and install default symlink' do
-            logger = double('Logger')
+            logger, = OctocatalogDiff::Spec.setup_logger
             expect(logger).to receive(:warn).with('--create-symlinks is ignored unless --preserve-environments is used')
 
             @described_object.instance_variable_set(
@@ -124,7 +124,7 @@
       context 'with --create-symlinks and --environment' do
         context 'with logger' do
           it 'should log a warning message and install default symlink' do
-            logger = double('Logger')
+            logger, = OctocatalogDiff::Spec.setup_logger
             expect(logger).to receive(:warn).with(
               '--create-symlinks with --environment ignored unless --preserve-environments is used'
             )
@@ -164,7 +164,7 @@
       context 'with --environment' do
         context 'with logger' do
           it 'should install a symlink to the given environment' do
-            logger = double('Logger')
+            logger, = OctocatalogDiff::Spec.setup_logger
 
             @described_object.instance_variable_set(
               '@options',
@@ -199,7 +199,7 @@
 
       context 'without --create-symlinks or --environment' do
         it 'should install directory symlink' do
-          logger = double('Logger')
+          logger, = OctocatalogDiff::Spec.setup_logger
 
           @described_object.instance_variable_set(
             '@options',