diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 8514b82..da75eb9 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -8,7 +8,9 @@
 require_relative "support/active_record/models"
 require_relative "support/active_record/schema"
 
-Dotenv.load!
+Dotenv.load! if File.exists?(".env")
+
+# Establish a connection for testing
 
 ActiveRecord::Base.establish_connection(ENV['PG_URI_TEST'])
 Timescaledb.establish_connection(ENV['PG_URI_TEST'])
diff --git a/spec/support/active_record/models.rb b/spec/support/active_record/models.rb
index 534389c..fbf9527 100644
--- a/spec/support/active_record/models.rb
+++ b/spec/support/active_record/models.rb
@@ -1,3 +1,5 @@
+ActiveRecord::Base.extend Timescaledb::ActsAsHypertable
+
 class Event < ActiveRecord::Base
   self.primary_key = "identifier"
 
diff --git a/spec/timescaledb/schema_dumper_spec.rb b/spec/timescaledb/schema_dumper_spec.rb
index 0bf72b6..7de4f96 100644
--- a/spec/timescaledb/schema_dumper_spec.rb
+++ b/spec/timescaledb/schema_dumper_spec.rb
@@ -10,8 +10,7 @@
     Event
       .from("event_counts")
       .select("time_bucket('1d', time) as time,
-              identifier as label,
-              sum(value) as value").group("1,2")
+              sum(value) as value").group("1")
   end
 
   context "schema" do
@@ -78,6 +77,7 @@
   end
 
   it "dumps a create_continuous_aggregate for a view in the database" do
+    con.execute("DROP MATERIALIZED VIEW IF EXISTS event_daily_counts")
     con.execute("DROP MATERIALIZED VIEW IF EXISTS event_counts")
     con.create_continuous_aggregate(:event_counts, query, materialized_only: true, finalized: true)
     con.create_continuous_aggregate(:event_daily_counts, query_daily, materialized_only: true, finalized: true)