Add test to ensure all build setting info subpaths can load without error

- Resolves #39

Author: dempseyatgithub

BuildSettingExtractorTests/BuildSettingExtractorTests.m

@@ -8,6 +8,7 @@
 
 #import <XCTest/XCTest.h>
 #import "BuildSettingExtractor.h"
+#import "BuildSettingInfoSource.h"
 #import "Constants+Categories.h"
 
 @interface NSObject (BuildSettingExtractorMethods)
@@ -52,4 +53,11 @@ - (void)testDictionaryBuildSettingsCategory
     XCTAssertThrows(result = badDictionary.containsBuildSettings);
 }
 
+- (void)testLoadingBuildSettingInfo
+{
+    BuildSettingInfoSource *source = [[BuildSettingInfoSource alloc] init];
+    XCTAssertTrue([source loadBuildSettingInfo]);
+
+}
+
 @end