Fix offenses to non-production code

- Lint/AmbiguousBlockAssociation
- Lint/AmbiguousOperatorPrecedence
- Lint/EmptyBlock
- Lint/RedundantSplatExpansion
- Lint/RedundantStringCoercion
- Lint/SymbolConversion
- Lint/UnusedBlockArgument
- Style/BlockDelimiters
- Style/CommentAnnotation
- Style/EachForSimpleLoop
- Style/EmptyMethod
- Style/ExpandPathArguments
- Style/FileWrite
- Style/GlobalStdStream (UNSAFE)
- Style/HashEachMethods (UNSAFE)
- Style/NestedParenthesizedCalls
- Style/NilComparison
- Style/NumericLiteralPrefix (manually fixed)
- Style/ParallelAssignment
- Style/PreferredHashMethods (UNSAFE)
- Style/RedundantInterpolation (UNSAFE)
- Style/RedundantParentheses (UNSAFE)
- Style/RegexpLiteral
- Style/RescueStandardError
- Style/SpecialGlobalVars (UNSAFE)
- Style/SymbolProc (UNSAFE)
- Style/ZeroLengthPredicate (UNSAFE)

1 files changed, 2 insertions, 2 deletions

diff --git a/test/workbook/worksheet/tc_rich_text.rb b/test/workbook/worksheet/tc_rich_text.rb
index 34117b1b..6c9627d4 100644
--- a/test/workbook/worksheet/tc_rich_text.rb
+++ b/test/workbook/worksheet/tc_rich_text.rb
@@ -7,7 +7,7 @@ class RichText < Test::Unit::TestCase
     p.workbook.styles.add_style :sz => 20
     @rt = Axlsx::RichText.new
     b = true
-    (0..26).each do |r|
+    27.times do |r|
       @rt.add_run "run #{r}, ", :b => (b = !b), :i => !b
     end
     @row = @ws.add_row [@rt]
@@ -17,7 +17,7 @@ class RichText < Test::Unit::TestCase
   def test_initialize
     assert_equal(@c.value, @rt)
     rt_direct = Axlsx::RichText.new('hi', :i => true)
-    rt_indirect = Axlsx::RichText.new()
+    rt_indirect = Axlsx::RichText.new
     rt_indirect.add_run('hi', :i => true)
     assert_equal(rt_direct.runs.length, 1)
     assert_equal(rt_indirect.runs.length, 1)