Update tests for throwing exception with inputs

Inputs slots can have multiple types, current behavior is to throw an
exception when the getter does not match the current type. For example
if a image is asked for when a constant is set.

Author: blowekamp

test/itkMaskedAssignImageFilterGTest.cxx

@@ -136,7 +136,7 @@ TEST_F(MaskedAssignFixture, SetGetPrint)
   EXPECT_ANY_THROW(filter->GetConstant1());
 
   EXPECT_NO_THROW(filter->SetConstant1(1));
-  EXPECT_NO_THROW(filter->GetInput());
+  EXPECT_ANY_THROW(filter->GetInput());
   EXPECT_EQ(1, filter->GetConstant1());
 
 
@@ -151,7 +151,7 @@ TEST_F(MaskedAssignFixture, SetGetPrint)
   EXPECT_ANY_THROW(filter->GetConstant2());
 
   EXPECT_NO_THROW(filter->SetConstant2(2));
-  EXPECT_NO_THROW(filter->GetMaskImage());
+  EXPECT_ANY_THROW(filter->GetMaskImage());
   EXPECT_EQ(2, filter->GetConstant2());
 
 
@@ -168,12 +168,12 @@ TEST_F(MaskedAssignFixture, SetGetPrint)
   EXPECT_ANY_THROW(filter->GetAssignConstant());
 
   EXPECT_NO_THROW(filter->SetConstant3(3));
-  EXPECT_NO_THROW(filter->GetMaskImage());
+  EXPECT_ANY_THROW(filter->GetMaskImage());
   EXPECT_EQ(3, filter->GetConstant3());
 
 
   EXPECT_NO_THROW(filter->SetAssignConstant(4));
-  EXPECT_NO_THROW(filter->GetMaskImage());
+  EXPECT_ANY_THROW(filter->GetMaskImage());
   EXPECT_EQ(4, filter->GetConstant3());
   EXPECT_EQ(4, filter->GetAssignConstant());
 }