Skip `test/t/float.rb` tests; ref
##
# Float ISO Test
+if class_defined?("Float")
+
assert('Float', '15.2.9') do
assert_equal Class, Float.class
end
@@ -203,3 +205,5 @@ assert('Float#>>') do
# Don't raise on large Right Shift
assert_equal(-1, -23.0 >> 128)
end
+
+end # class_defined?("Float")
