In a test class, create an Account with a unique name.  Next, create an Id variable and attempt assigning the variable by selecting the Account by the unique name.  Error returns - list has no rows for assignment to sObject.

In a test class, create an Account with a unique name.  Next, create an Id variable and attempt assigning the variable by selecting the Account by the unique name.  Error returns - list has no rows for assignment to sObject.