javacodegen: replace colons and other invalid chars in test identifiers
javacodegen: replace colons and other invalid chars in test identifiers

common-workflow-language/schema_salad,common-workflow-language/schema_salad,common-workflow-language/schema_salad,common-workflow-language/schema_salad,common-workflow-language/schema_salad,common-workflow-language/schema_salad,common-workflow-language/schema_salad