spec: Fix syntax errors

Follow up of 473882e01f7e55753733e2607ace633b5041f11f

3 files changed, 4 insertions, 4 deletions

diff --git a/spec/ruby/library/stringio/append_spec.rb b/spec/ruby/library/stringio/append_spec.rb
index 034ca96aff..c46dc59ee5 100644
--- a/spec/ruby/library/stringio/append_spec.rb
+++ b/spec/ruby/library/stringio/append_spec.rb
@@ -29,7 +29,7 @@ describe "StringIO#<< when passed [Object]" do
     @io.string.should == "example\000\000\000\000\000\000\000\000just testing"
   end
 
-  ruby_version_is ""..."2.7"
+  ruby_version_is ""..."2.7" do
     it "taints self's String when the passed argument is tainted" do
       (@io << "test".taint)
       @io.string.tainted?.should be_true
diff --git a/spec/ruby/library/stringio/reopen_spec.rb b/spec/ruby/library/stringio/reopen_spec.rb
index 32bf13dd6d..34e38a63b4 100644
--- a/spec/ruby/library/stringio/reopen_spec.rb
+++ b/spec/ruby/library/stringio/reopen_spec.rb
@@ -202,7 +202,7 @@ describe "StringIO#reopen when passed [Object]" do
   end
 
   # NOTE: WEIRD!
-  ruby_version_is ""..."2.7"
+  ruby_version_is ""..."2.7" do
     it "taints self when the passed Object was tainted" do
       @io.reopen(StringIO.new("reopened").taint)
       @io.tainted?.should be_true
@@ -272,7 +272,7 @@ describe "StringIO#reopen" do
     str.should == ''
   end
 
-  ruby_version_is ""..."2.7"
+  ruby_version_is ""..."2.7" do
     it "taints self if the provided StringIO argument is tainted" do
       new_io = StringIO.new("tainted")
       new_io.taint
diff --git a/spec/ruby/library/stringio/shared/write.rb b/spec/ruby/library/stringio/shared/write.rb
index 12c58d10da..28683e3cb1 100644
--- a/spec/ruby/library/stringio/shared/write.rb
+++ b/spec/ruby/library/stringio/shared/write.rb
@@ -45,7 +45,7 @@ describe :stringio_write_string, shared: true do
     @io.pos.should eql(4)
   end
 
-  ruby_version_is ""..."2.7"
+  ruby_version_is ""..."2.7" do
     it "taints self's String when the passed argument is tainted" do
       @io.send(@method, "test".taint)
       @io.string.tainted?.should be_true