Give metric query context rspec examples correctly sounding names. + missing whitespace

lib/gitlab/prometheus/queries/query_additional_metrics.rb

@@ -51,6 +51,7 @@ module Gitlab
               query[:query] %= context
               client_query(query[:query], time: context[:timeframe_end])
             end
+
           query[:result] = result&.map(&:deep_symbolize_keys)
           query
         end

spec/support/prometheus/additional_metrics_shared_examples.rb

@@ -23,13 +23,13 @@ RSpec.shared_examples 'additional metrics query' do
     subject! { described_class.new(client) }
 
     shared_examples 'query context containing environment slug and filter' do
-      it 'query context contains ci_environment_slug' do
+      it 'contains ci_environment_slug' do
         expect(subject).to receive(:query_metrics).with(hash_including(ci_environment_slug: environment.slug))
 
         subject.query(*query_params)
       end
 
-      it 'query context contains environment filter' do
+      it 'contains environment filter' do
         expect(subject).to receive(:query_metrics).with(
           hash_including(
             environment_filter: "container_name!=\"POD\",environment=\"#{environment.slug}\""