*_test: use assert_nil when appropriate.

This is warned by the newer MiniTest.

2 files changed, 9 insertions, 6 deletions

diff --git a/Library/Homebrew/test/shell_test.rb b/Library/Homebrew/test/shell_test.rb
index a32d09863..a04ab8331 100644
--- a/Library/Homebrew/test/shell_test.rb
+++ b/Library/Homebrew/test/shell_test.rb
@@ -14,9 +14,9 @@ class ShellSmokeTest < Homebrew::TestCase
   end
 
   def test_path_to_shell_failure
-    assert_equal nil, Utils::Shell.path_to_shell("")
-    assert_equal nil, Utils::Shell.path_to_shell("@@@@@@")
-    assert_equal nil, Utils::Shell.path_to_shell("invalid_shell-4.2")
+    assert_nil Utils::Shell.path_to_shell("")
+    assert_nil Utils::Shell.path_to_shell("@@@@@@")
+    assert_nil Utils::Shell.path_to_shell("invalid_shell-4.2")
   end
 
   def test_sh_quote
diff --git a/Library/Homebrew/test/tab_test.rb b/Library/Homebrew/test/tab_test.rb
index f6f55348d..b48efcf5c 100644
--- a/Library/Homebrew/test/tab_test.rb
+++ b/Library/Homebrew/test/tab_test.rb
@@ -241,15 +241,18 @@ class TabTests < Homebrew::TestCase
     assert_equal @tab.changed_files, tab.changed_files
     assert_equal @tab.tap, tab.tap
     assert_equal @tab.spec, tab.spec
-    assert_equal @tab.time, tab.time
+    assert_nil @tab.time
+    assert_nil tab.time
     assert_equal @tab.HEAD, tab.HEAD
     assert_equal @tab.compiler, tab.compiler
     assert_equal @tab.stdlib, tab.stdlib
-    assert_equal @tab.runtime_dependencies, tab.runtime_dependencies
+    assert_nil @tab.runtime_dependencies
+    assert_nil tab.runtime_dependencies
     assert_equal @tab.stable_version, tab.stable_version
     assert_equal @tab.devel_version, tab.devel_version
     assert_equal @tab.head_version, tab.head_version
-    assert_equal @tab.source["path"], tab.source["path"]
+    assert_nil @tab.source["path"]
+    assert_nil tab.source["path"]
   end
 
   def test_remap_deprecated_options