Add tags for new failing specs

spec/tags/core/objectspace/define_finalizer_tags.txt

@@ -19,3 +19,5 @@ slow:ObjectSpace.define_finalizer when $VERBOSE is nil does not warn even if an
 fails:ObjectSpace.define_finalizer when $VERBOSE is not nil warns if an exception is raised in finalizer
 fails:ObjectSpace.define_finalizer when $VERBOSE is nil does not warn even if an exception is raised in finalizer
 slow:ObjectSpace.define_finalizer defines same finalizer only once
+fails:ObjectSpace.define_finalizer defines same finalizer only once
+fails:ObjectSpace.define_finalizer returns the defined finalizer

spec/tags/core/string/modulo_tags.txt

@@ -8,3 +8,8 @@ fails:String#% flags # applies to formats bBxX does nothing for zero argument
 fails:String#% other formats c displays only the first character if argument is a string of several characters
 fails:String#% other formats c displays no characters if argument is an empty string
 fails:String#% supports only the first character as argument for %c
+fails:String#% behaves as if calling Kernel#Float for %e arguments, when the passed argument does not respond to #to_ary
+fails:String#% behaves as if calling Kernel#Float for %E arguments, when the passed argument does not respond to #to_ary
+fails:String#% behaves as if calling Kernel#Float for %f arguments, when the passed argument does not respond to #to_ary
+fails:String#% behaves as if calling Kernel#Float for %g arguments, when the passed argument does not respond to #to_ary
+fails:String#% behaves as if calling Kernel#Float for %G arguments, when the passed argument does not respond to #to_ary

spec/tags/core/time/new_tags.txt

@@ -23,3 +23,4 @@ fails:Time.new with a timezone argument :in keyword argument could be a timezone
 fails:Time.new with a timezone argument Time.new with a String argument accepts precision keyword argument and truncates specified digits of sub-second part
 fails:Time.new with a timezone argument Time.new with a String argument converts precision keyword argument into Integer if is not nil
 fails:Time.new with a timezone argument Time.new with a String argument raise TypeError is can't convert precision keyword argument into Integer
+fails:Time.new with a timezone argument Time.new with a String argument raises ArgumentError if date/time parts values are not valid