Add test for invalid pipeline JSON and removed DimTypeList disposal logging from test

Author: jimmysoda

tests/pdal/capi/PipelineTest.c.in

@@ -51,6 +51,9 @@ TEST testPDALCreateAndDisposePipeline(void)
 	pipeline = PDALCreatePipeline("");
 	ASSERT_EQ(NULL, pipeline);
 
+	pipeline = PDALCreatePipeline("This is not a valid pipeline, it's not even JSON");
+	ASSERT_EQ(NULL, pipeline);
+
 	pipeline = PDALCreatePipeline(gPipelineJson);
 	ASSERT(pipeline);
 

tests/pdal/capi/PointLayoutTest.c.in

@@ -77,9 +77,7 @@ TEST testPDALGetPointLayoutDimTypes(void)
 	size_t size = PDALGetDimTypeListSize(types);
 	ASSERTm("PDALGetDimTypeListSize should return more than zero for a valid list", size > 0);
 
-	printf("\nDisposing...\n");
 	PDALDisposeDimTypeList(types);
-	printf("\nDisposed!\n");
 	PASS();
 }