Unit test warning fixes

GCC was warning about possibly uninitialized variables. Initialize them
and use values which are nonzero and distinct from each other and any
real value passed to any set method. This should prevent any false positives
from zero initialization.

test/unit/utMetadata.cpp

@@ -212,7 +212,7 @@ TEST_F( utMetadata, copy_test ) {
 
     // int32_t test
     {
-		int32_t v = 0;
+        int32_t v = 127;
         bool ok = copy.Get( "int32", v );
         EXPECT_TRUE( ok );
         EXPECT_EQ( i32v, v );
@@ -220,7 +220,7 @@ TEST_F( utMetadata, copy_test ) {
 
     // uint64_t test
     {
-        uint64_t v;
+        uint64_t v = 255;
         bool ok = copy.Get( "uint64", v );
         EXPECT_TRUE( ok );
         EXPECT_EQ( ui64v, v );
@@ -228,14 +228,14 @@ TEST_F( utMetadata, copy_test ) {
 
     // float test
     {
-        float v;
+        float v = -9.9999f;
         EXPECT_TRUE( copy.Get( "float", v ) );
         EXPECT_EQ( fv, v );
     }
 
     // double test
     {
-        double v;
+        double v = -99.99;
         EXPECT_TRUE( copy.Get( "double", v ) );
         EXPECT_EQ( dv, v );
     }

test/unit/utSharedPPData.cpp

@@ -81,7 +81,7 @@ TEST_F(SharedPPDataTest, testPODProperty)
     EXPECT_FALSE(shared->GetProperty("test2",o));
     EXPECT_EQ(5, o);
 
-    float f = 12.f, m;
+    float f = 12.f, m = -98.7654f;
     shared->AddProperty("test",f);
     EXPECT_TRUE(shared->GetProperty("test",m));
     EXPECT_EQ(12.f, m);