Adding better naming to unit tests for filtering; adding short and full unit test suites (#235)

test/test_GroupCalls.cpp

@@ -94,9 +94,9 @@ namespace CorrectnessTests
         }
     }
 
-    INSTANTIATE_TEST_CASE_P(GroupCallsCorrectnessSweep,
-                            GroupCallsCorrectnessTest,
-                            testing::Combine(
+    INSTANTIATE_TEST_SUITE_P(GroupCallsCorrectnessSweep,
+                             GroupCallsCorrectnessTest,
+                             testing::Combine(
                                 // Reduction operator (not used)
                                 testing::Values(ncclSum),
                                 // Data types
@@ -116,5 +116,6 @@ namespace CorrectnessTests
                                 testing::Values(2,3,4,5,6,7,8),
                                 // In-place or not
                                 testing::Values(false, true),
-                                testing::Values("")));
+                                testing::Values("")),
+                             CorrectnessTest::PrintToStringParamName());
 } // namespace