It seems like you call parent on a different method (expectExceptionMessageRegExp() instead of expectExceptionMessageMatches()). Are you sure this is correct? If so, you might want to change this to $this->expectExceptionMessageRegExp().
This check looks for a call to a parent method whose name is different than
the method from which it is called.
It seems like you call parent on a different method (assertRegExp() instead of assertMatchesRegularExpression()). Are you sure this is correct? If so, you might want to change this to $this->assertRegExp().
This check looks for a call to a parent method whose name is different than
the method from which it is called.
This check looks from parameters that have been defined for a function or method, but which are not used in the method body.