Fix formatting in inreplace tests

Library/Homebrew/test/test_inreplace.rb

@@ -4,7 +4,7 @@ require 'extend/string'
 class InreplaceTest < Homebrew::TestCase
   def test_change_make_var
     # Replace flag
-    s1="OTHER=def\nFLAG = abc\nFLAG2=abc"
+    s1 = "OTHER=def\nFLAG = abc\nFLAG2=abc"
     s1.extend(StringInreplaceExtension)
     s1.change_make_var! "FLAG", "def"
     assert_equal "OTHER=def\nFLAG=def\nFLAG2=abc", s1
@@ -12,7 +12,7 @@ class InreplaceTest < Homebrew::TestCase
 
   def test_change_make_var_empty
     # Replace empty flag
-    s1="OTHER=def\nFLAG = \nFLAG2=abc"
+    s1 = "OTHER=def\nFLAG = \nFLAG2=abc"
     s1.extend(StringInreplaceExtension)
     s1.change_make_var! "FLAG", "def"
     assert_equal "OTHER=def\nFLAG=def\nFLAG2=abc", s1
@@ -20,7 +20,7 @@ class InreplaceTest < Homebrew::TestCase
 
   def test_change_make_var_empty_2
     # Replace empty flag
-    s1="FLAG = \nmv file_a file_b"
+    s1 = "FLAG = \nmv file_a file_b"
     s1.extend(StringInreplaceExtension)
     s1.change_make_var! "FLAG", "def"
     assert_equal "FLAG=def\nmv file_a file_b", s1
@@ -28,7 +28,7 @@ class InreplaceTest < Homebrew::TestCase
 
   def test_change_make_var_append
     # Append to flag
-    s1="OTHER=def\nFLAG = abc\nFLAG2=abc"
+    s1 = "OTHER=def\nFLAG = abc\nFLAG2=abc"
     s1.extend(StringInreplaceExtension)
     s1.change_make_var! "FLAG", "\\1 def"
     assert_equal "OTHER=def\nFLAG=abc def\nFLAG2=abc", s1
@@ -36,7 +36,7 @@ class InreplaceTest < Homebrew::TestCase
 
   def test_change_make_var_shell_style
     # Shell variables have no spaces around =
-    s1="OTHER=def\nFLAG=abc\nFLAG2=abc"
+    s1 = "OTHER=def\nFLAG=abc\nFLAG2=abc"
     s1.extend(StringInreplaceExtension)
     s1.change_make_var! "FLAG", "def"
     assert_equal "OTHER=def\nFLAG=def\nFLAG2=abc", s1
@@ -44,7 +44,7 @@ class InreplaceTest < Homebrew::TestCase
 
   def test_remove_make_var
     # Replace flag
-    s1="OTHER=def\nFLAG = abc\nFLAG2 = def"
+    s1 = "OTHER=def\nFLAG = abc\nFLAG2 = def"
     s1.extend(StringInreplaceExtension)
     s1.remove_make_var! "FLAG"
     assert_equal "OTHER=def\nFLAG2 = def", s1
@@ -52,7 +52,7 @@ class InreplaceTest < Homebrew::TestCase
 
   def test_remove_make_vars
     # Replace flag
-    s1="OTHER=def\nFLAG = abc\nFLAG2 = def\nOTHER2=def"
+    s1 = "OTHER=def\nFLAG = abc\nFLAG2 = def\nOTHER2=def"
     s1.extend(StringInreplaceExtension)
     s1.remove_make_var! ["FLAG", "FLAG2"]
     assert_equal "OTHER=def\nOTHER2=def", s1