Restore info about `mvn -Dtest=java.** test` in antlr-project-testing.md
Restore info about `mvn -Dtest=java.** test` in antlr-project-testing.md

Fix misprint

Signed-off-by: Ivan Kochurkin <7704623aa56c2b72c3121ff876cc07e7c36aec52@gmail.com>

ericvergnaud/antlr4,antlr/antlr4,parrt/antlr4,parrt/antlr4,parrt/antlr4,ericvergnaud/antlr4,ericvergnaud/antlr4,antlr/antlr4,ericvergnaud/antlr4,antlr/antlr4,antlr/antlr4,ericvergnaud/antlr4,antlr/antlr4,antlr/antlr4,parrt/antlr4,parrt/antlr4,antlr/antlr4,antlr/antlr4,ericvergnaud/antlr4,parrt/antlr4,antlr/antlr4,parrt/antlr4,ericvergnaud/antlr4,parrt/antlr4,ericvergnaud/antlr4,parrt/antlr4,ericvergnaud/antlr4,parrt/antlr4,ericvergnaud/antlr4,antlr/antlr4