fixed multiple style guide violations

spec/lib/docker_container_pool_spec.rb

@@ -27,10 +27,8 @@ describe DockerContainerPool do
     end
 
     it 'destroys all containers' do
-      described_class.instance_variable_get(:@containers).each do |key, value|
-        value.each do |container|
-          expect(DockerClient).to receive(:destroy_container).with(container)
-        end
+      described_class.instance_variable_get(:@containers).values.flatten.each do |container|
+        expect(DockerClient).to receive(:destroy_container).with(container)
       end
     end
   end

spec/lib/junit_adapter_spec.rb

@@ -10,7 +10,7 @@ describe JunitAdapter do
       let(:stdout) { "FAILURES!!!\nTests run: #{count},  Failures: #{failed}" }
 
       it 'returns the correct numbers' do
-        expect(adapter.parse_output(stdout: stdout)).to eq({count: count, failed: failed})
+        expect(adapter.parse_output(stdout: stdout)).to eq(count: count, failed: failed)
       end
     end
 
@@ -19,7 +19,7 @@ describe JunitAdapter do
       let(:stdout) { "OK (#{count} tests)" }
 
       it 'returns the correct numbers' do
-        expect(adapter.parse_output(stdout: stdout)).to eq({count: count, passed: count})
+        expect(adapter.parse_output(stdout: stdout)).to eq(count: count, passed: count)
       end
     end
   end

spec/lib/py_unit_adapter_spec.rb

@@ -8,7 +8,7 @@ describe PyUnitAdapter do
 
   describe '#parse_output' do
     it 'returns the correct numbers' do
-      expect(adapter.parse_output(stderr: stderr)).to eq({count: count, failed: failed})
+      expect(adapter.parse_output(stderr: stderr)).to eq(count: count, failed: failed)
     end
   end
 end

spec/lib/rspec_adapter_spec.rb

@@ -8,7 +8,7 @@ describe RspecAdapter do
 
   describe '#parse_output' do
     it 'returns the correct numbers' do
-      expect(adapter.parse_output(stdout: stdout)).to eq({count: count, failed: failed})
+      expect(adapter.parse_output(stdout: stdout)).to eq(count: count, failed: failed)
     end
   end
 end

spec/lib/sql_result_set_comparator_adapter_spec.rb

@@ -8,7 +8,7 @@ describe SqlResultSetComparatorAdapter do
       let(:stdout) { "Missing tuples: [1]\nUnexpected tuples: []" }
 
       it 'considers the test as failed' do
-        expect(adapter.parse_output(stdout: stdout)).to eq({count: 1, failed: 1})
+        expect(adapter.parse_output(stdout: stdout)).to eq(count: 1, failed: 1)
       end
     end
 
@@ -16,7 +16,7 @@ describe SqlResultSetComparatorAdapter do
       let(:stdout) { "Missing tuples: []\nUnexpected tuples: [1]" }
 
       it 'considers the test as failed' do
-        expect(adapter.parse_output(stdout: stdout)).to eq({count: 1, failed: 1})
+        expect(adapter.parse_output(stdout: stdout)).to eq(count: 1, failed: 1)
       end
     end
 
@@ -24,7 +24,7 @@ describe SqlResultSetComparatorAdapter do
       let(:stdout) { "Missing tuples: []\nUnexpected tuples: []" }
 
       it 'considers the test as passed' do
-        expect(adapter.parse_output(stdout: stdout)).to eq({count: 1, passed: 1})
+        expect(adapter.parse_output(stdout: stdout)).to eq(count: 1, passed: 1)
       end
     end
   end