diff --git a/test/unit/logger_test.rb b/test/unit/logger_test.rb
index 01efefa117f332281d597d82393b4f601035fda1..c018ee12ac39eb3d5464155735d7d3002e83b976 100644
--- a/test/unit/logger_test.rb
+++ b/test/unit/logger_test.rb
@@ -18,7 +18,7 @@ class LoggerTest < GeocoderTestCase
 
   def test_set_logger_logs
     assert_equal nil, Geocoder.log(:warn, "should log")
-    assert_match /should log\n$/, @tempfile.read
+    assert_match(/should log\n$/, @tempfile.read)
   end
 
   def test_logger_does_not_log_severity_too_low
@@ -30,7 +30,7 @@ class LoggerTest < GeocoderTestCase
   def test_logger_logs_when_severity_high_enough
     @logger.level = Logger::DEBUG
     Geocoder.log(:warn, "important: should log!")
-    assert_match /important: should log/, @tempfile.read
+    assert_match(/important: should log/, @tempfile.read)
   end
 
   def test_kernel_logger_does_not_log_severity_too_low
diff --git a/test/unit/lookups/geocodio_test.rb b/test/unit/lookups/geocodio_test.rb
index 43e44f4b9305e8513a6c3ec4cd523640e9b2b899..6b316be9825d9e726e87d9f7f9dd28664bb50082 100644
--- a/test/unit/lookups/geocodio_test.rb
+++ b/test/unit/lookups/geocodio_test.rb
@@ -29,7 +29,7 @@ class GeocodioTest < GeocoderTestCase
 
   def test_geocodio_reverse_url
     query = Geocoder::Query.new([45.423733, -75.676333])
-    assert_match /reverse/, query.url
+    assert_match(/reverse/, query.url)
   end
 
   def test_raises_invalid_request_exception
diff --git a/test/unit/lookups/geoip2_test.rb b/test/unit/lookups/geoip2_test.rb
index 46f2b476112e0cf30d46e4d8ad2a64affcbb7a17..d50e3bce67e866355c46cf1ad9bab126c7042745 100644
--- a/test/unit/lookups/geoip2_test.rb
+++ b/test/unit/lookups/geoip2_test.rb
@@ -20,7 +20,7 @@ class Geoip2Test < GeocoderTestCase
     assert_equal 'US', result.country_code
     assert_equal '94043', result.postal_code
     assert_equal 37.41919999999999, result.latitude
-    assert_equal -122.0574, result.longitude
+    assert_equal(-122.0574, result.longitude)
     assert_equal [37.41919999999999, -122.0574], result.coordinates
   end
 
diff --git a/test/unit/lookups/google_test.rb b/test/unit/lookups/google_test.rb
index 867508e1901237812804abc2ceefc7aef7e4f059..d658a82745c980de185d4dfca0ffded0b3adc2e5 100644
--- a/test/unit/lookups/google_test.rb
+++ b/test/unit/lookups/google_test.rb
@@ -89,6 +89,6 @@ class GoogleTest < GeocoderTestCase
   def test_google_uses_https_when_api_key_is_set
     Geocoder.configure(api_key: "deadbeef")
     query = Geocoder::Query.new("Madison Square Garden, New York, NY")
-    assert_match /^https:/, query.url
+    assert_match(/^https:/, query.url)
   end
 end
diff --git a/test/unit/lookups/ipinfo_io_test.rb b/test/unit/lookups/ipinfo_io_test.rb
index 4c3eccdecdb6c635b20d4611dc654212fbd5e119..379f383814a7659b261b76facc4264219d1d8acd 100644
--- a/test/unit/lookups/ipinfo_io_test.rb
+++ b/test/unit/lookups/ipinfo_io_test.rb
@@ -6,12 +6,12 @@ class IpinfoIoTest < GeocoderTestCase
   def test_ipinfo_io_use_http_without_token
     Geocoder.configure(:ip_lookup => :ipinfo_io, :use_https => true)
     query = Geocoder::Query.new("8.8.8.8")
-    assert_match /^http:/, query.url
+    assert_match(/^http:/, query.url)
   end
 
   def test_ipinfo_io_uses_https_when_auth_token_set
     Geocoder.configure(:ip_lookup => :ipinfo_io, :api_key => "FOO_BAR_TOKEN", :use_https => true)
     query = Geocoder::Query.new("8.8.8.8")
-    assert_match /^https:/, query.url
+    assert_match(/^https:/, query.url)
   end
 end
diff --git a/test/unit/lookups/latlon_test.rb b/test/unit/lookups/latlon_test.rb
index 2dcb47a9bbe289d66f38b44d0992428726d88bd1..49ca664297001a0cdfc74ab42010dd01a6458fab 100644
--- a/test/unit/lookups/latlon_test.rb
+++ b/test/unit/lookups/latlon_test.rb
@@ -29,7 +29,7 @@ class LatlonTest < GeocoderTestCase
 
   def test_latlon_reverse_url
     query = Geocoder::Query.new([45.423733, -75.676333])
-    assert_match /reverse_geocode/, query.url
+    assert_match(/reverse_geocode/, query.url)
   end
 
   def test_raises_api_key_exception
diff --git a/test/unit/lookups/maxmind_geoip2_test.rb b/test/unit/lookups/maxmind_geoip2_test.rb
index 35235cbcf851ed44a632c4d60ddf260757a7dc28..a930a20137010f078e3e2060a611a2a132cedfaf 100644
--- a/test/unit/lookups/maxmind_geoip2_test.rb
+++ b/test/unit/lookups/maxmind_geoip2_test.rb
@@ -15,8 +15,8 @@ class MaxmindGeoip2Test < GeocoderTestCase
     assert_equal 'United States', result.country
     assert_equal 'US', result.country_code
     assert_equal '90001', result.postal_code
-    assert_equal 37.6293, result.latitude
-    assert_equal -122.1163, result.longitude
+    assert_equal(37.6293, result.latitude)
+    assert_equal(-122.1163, result.longitude)
     assert_equal [37.6293, -122.1163], result.coordinates
   end
 
diff --git a/test/unit/lookups/maxmind_local_test.rb b/test/unit/lookups/maxmind_local_test.rb
index b5bf847c4585d5c35fca3e8e89d50bb5d3af4b5f..87b494814cab6e8b492769cc30d66cfb4d9876f4 100644
--- a/test/unit/lookups/maxmind_local_test.rb
+++ b/test/unit/lookups/maxmind_local_test.rb
@@ -15,8 +15,8 @@ class MaxmindLocalTest < GeocoderTestCase
     assert_equal 'United States', result.country
     assert_equal 'US', result.country_code
     assert_equal '94043', result.postal_code
-    assert_equal 37.41919999999999, result.latitude
-    assert_equal -122.0574, result.longitude
+    assert_equal(37.41919999999999, result.latitude)
+    assert_equal(-122.0574, result.longitude)
     assert_equal [37.41919999999999, -122.0574], result.coordinates
   end
 
diff --git a/test/unit/lookups/opencagedata_test.rb b/test/unit/lookups/opencagedata_test.rb
index 3e838b657bc0c42378419ffd7241afc03687ae2b..496ec14a5220e6d6f3051b7e6e1f25836b978529 100644
--- a/test/unit/lookups/opencagedata_test.rb
+++ b/test/unit/lookups/opencagedata_test.rb
@@ -11,7 +11,7 @@ class OpencagedataTest < GeocoderTestCase
   def test_result_components
     result = Geocoder.search("Madison Square Garden, New York, NY").first
     assert_equal "West 31st Street", result.street
-    assert_match /46, West 31st Street, Koreatown, New York County, 10011, New York City, New York, United States of America/, result.address
+    assert_match(/46, West 31st Street, Koreatown, New York County, 10011, New York City, New York, United States of America/, result.address)
 
   end
 
@@ -39,7 +39,7 @@ class OpencagedataTest < GeocoderTestCase
 
   def test_opencagedata_reverse_url
     query = Geocoder::Query.new([45.423733, -75.676333])
-    assert_match /\bq=45.423733%2C-75.676333\b/, query.url
+    assert_match(/\bq=45.423733%2C-75.676333\b/, query.url)
   end
 
 
diff --git a/test/unit/lookups/smarty_streets_test.rb b/test/unit/lookups/smarty_streets_test.rb
index 7e999a6c1fe2c9bdf84a8f90b60b859a41257bb7..04e19c43516587b09469b92e2a617e24c6c3717b 100644
--- a/test/unit/lookups/smarty_streets_test.rb
+++ b/test/unit/lookups/smarty_streets_test.rb
@@ -11,22 +11,22 @@ class SmartyStreetsTest < GeocoderTestCase
   def test_url_contains_api_key
     Geocoder.configure(:smarty_streets => {:api_key => 'blah'})
     query = Geocoder::Query.new("Bluffton, SC")
-    assert_match /auth-token=blah/, query.url
+    assert_match(/auth-token=blah/, query.url)
   end
 
   def test_query_for_address_geocode
     query = Geocoder::Query.new("42 Wallaby Way Sydney, AU")
-    assert_match /api\.smartystreets\.com\/street-address\?/, query.url
+    assert_match(/api\.smartystreets\.com\/street-address\?/, query.url)
   end
 
   def test_query_for_zipcode_geocode
     query = Geocoder::Query.new("22204")
-    assert_match /api\.smartystreets\.com\/zipcode\?/, query.url
+    assert_match(/api\.smartystreets\.com\/zipcode\?/, query.url)
   end
 
   def test_query_for_zipfour_geocode
     query = Geocoder::Query.new("22204-1603")
-    assert_match /api\.smartystreets\.com\/zipcode\?/, query.url
+    assert_match(/api\.smartystreets\.com\/zipcode\?/, query.url)
   end
 
   def test_smarty_streets_result_components