Remove warning for non spcific raise (#990)

fixes #786

Author: carolyncole

spec/controllers/mediaflux_info_controller_spec.rb

@@ -10,7 +10,7 @@
   end
 
   it "gets the mediaflux information" do
-    expect { get :index, format: "json" }.not_to raise_error(Mediaflux::SessionExpired)
+    expect { get :index, format: "json" }.not_to raise_error
     expect(response.body).to eq(docker_response).or eq(ansible_response)
   end
 

spec/models/mediaflux_status_spec.rb

@@ -19,7 +19,7 @@
 
     it "reports that the status is not OK" do
       status = described_class.new
-      expect { status.check! }.to raise_error
+      expect { status.check! }.to raise_error(StandardError)
     end
   end
 end