Fix specs

3 files changed, 6 insertions, 6 deletions

diff --git a/spec/lib/gitlab/metrics/metric_spec.rb b/spec/lib/gitlab/metrics/metric_spec.rb
index b4d29ebe05f..d240b8a01fd 100644
--- a/spec/lib/gitlab/metrics/metric_spec.rb
+++ b/spec/lib/gitlab/metrics/metric_spec.rb
@@ -62,7 +62,7 @@ describe Gitlab::Metrics::Metric do
       end
 
       it 'includes the timestamp' do
-        expect(hash[:timestamp]).to be_an_instance_of(Integer)
+        expect(hash[:timestamp]).to be_an(Integer)
       end
     end
   end
diff --git a/spec/lib/gitlab/metrics/system_spec.rb b/spec/lib/gitlab/metrics/system_spec.rb
index a7b129e2827..4d94d8705fb 100644
--- a/spec/lib/gitlab/metrics/system_spec.rb
+++ b/spec/lib/gitlab/metrics/system_spec.rb
@@ -29,19 +29,19 @@ describe Gitlab::Metrics::System do
 
   describe '.cpu_time' do
     it 'returns a Fixnum' do
-      expect(described_class.cpu_time).to be_an_instance_of(Integer)
+      expect(described_class.cpu_time).to be_an(Integer)
     end
   end
 
   describe '.real_time' do
     it 'returns a Fixnum' do
-      expect(described_class.real_time).to be_an_instance_of(Integer)
+      expect(described_class.real_time).to be_an(Integer)
     end
   end
 
   describe '.monotonic_time' do
     it 'returns a Fixnum' do
-      expect(described_class.monotonic_time).to be_an_instance_of(Integer)
+      expect(described_class.monotonic_time).to be_an(Integer)
     end
   end
 end
diff --git a/spec/lib/gitlab/metrics/transaction_spec.rb b/spec/lib/gitlab/metrics/transaction_spec.rb
index 83bd862d146..0c5a6246d85 100644
--- a/spec/lib/gitlab/metrics/transaction_spec.rb
+++ b/spec/lib/gitlab/metrics/transaction_spec.rb
@@ -134,7 +134,7 @@ describe Gitlab::Metrics::Transaction do
         series:    'rails_transactions',
         tags:      { action: 'Foo#bar' },
         values:    { duration: 0.0, allocated_memory: a_kind_of(Numeric) },
-        timestamp: an_instance_of(Integer)
+        timestamp: a_kind_of(Integer)
       }
 
       expect(Gitlab::Metrics).to receive(:submit_metrics).
@@ -151,7 +151,7 @@ describe Gitlab::Metrics::Transaction do
         series:    'events',
         tags:      { event: :meow },
         values:    { count: 1 },
-        timestamp: an_instance_of(Integer)
+        timestamp: a_kind_of(Integer)
       }
 
       expect(Gitlab::Metrics).to receive(:submit_metrics).