The blocking constraint must not contain substitution for an element declaration to be validly substituteable for another element declaration. In the test any substitution for element Head is allowed.
http://www.w3.org/TR/2001/REC-xmlschema-1-20010502/#cElement_Declarations
TEST disallowedsubst00401m1 - substitution is allowed (valid schema)
| Item | Value | 
|---|---|
| title | disallowedsubst00401m1 - substitution is allowed (valid schema) | 
| name | disallowedsubst00401m1 | 
| source | ../disallowedSubst00401m1.xsd | 
| schemaName | ../disallowedSubst00401m1.xsd | 
| executeClass | com.sun.jaxb_tck.sigtest.JAXBTest | 
| executeArgs | -TestURL $testURL -Plugin com.sun.jaxb_tck.sigtest.JaxbPlugin -FileName disallowedsubst00401m1.sig -PackageWithoutSubpackages $package | 
| keywords | schema positive | 
| package | javasoft.sqe.tests.elemdecl.disallowedsubst.disallowedsubst00401m.disallowedsubst00401m1 | 
| signature | disallowedsubst00401m1.sig | 
TEST Positive - substitution is allowed (valid schema)
| Item | Value | 
|---|---|
| title | Positive - substitution is allowed (valid schema) | 
| name | Positive | 
| source | ../disallowedSubst00401m1.xsd | 
| schemaName | ../disallowedSubst00401m1.xsd | 
| executeClass | javasoft.sqe.tests.api.jakarta.xml.bind.JAXBTest | 
| executeArgs | -TestURL $testURL -package $package -out :ref -document ../disallowedSubst00401m1_p.xml -pcontent disallowedsubst00401m1-disallowedSubst00401m1_p.jbx | 
| keywords | positive document | 
| package | javasoft.sqe.tests.elemdecl.disallowedsubst.disallowedsubst00401m.disallowedsubst00401m1 | 
| document | ../disallowedSubst00401m1_p.xml | 
| jb-context | disallowedsubst00401m1-disallowedSubst00401m1_p.jbx |