Summary
    Returns a constraint that succeeds if the actual
    value contains the substring supplied as an argument.
    
		- Namespace
 - TCLite
.Constraints  - Containing Type
 - ConstraintExpression
 
Syntax
public SubstringConstraint ContainsSubstring(string expected)
	Parameters
| Name | Type | Description | 
|---|---|---|
| expected | string | 
Return Value
| Type | Description | 
|---|---|
| SubstringConstraint | 
