only run test with >= gdal 2.x - refs naturalatlas#181 (comment)

Author: Dane Springmeyer

test/api_warp.test.js

@@ -455,18 +455,31 @@ describe('gdal', function() {
 
 			assert.equal(value, 123);
 		});
-		it('should throw error if GDAL can\'t create transformer', function() {
-			src = gdal.open(__dirname + '/data/unsupported-srs.tif');
 
-			var options = {
-				src: src,
-				s_srs: src.srs,
-				t_srs: gdal.SpatialReference.fromEPSG(3857)
-			};
-			
-			assert.throws(function() {
-				gdal.suggestedWarpOutput(options);
-			}, 'Mercator_1SP with scale != 1.0 and latitude of origin != 0, not supported by PROJ.4.');
-		});
+		function greaterThan2(version) {
+			var parts = version.split('.').map(function(part) { return +part; } );
+			if (parts[0] >= 2) {
+				return true;
+			}
+			return false;
+		}
+
+		if (greaterThan2(gdal.version)) {
+			it('should throw error if GDAL can\'t create transformer', function() {
+				src = gdal.open(__dirname + '/data/unsupported-srs.tif');
+
+				var options = {
+					src: src,
+					s_srs: src.srs,
+					t_srs: gdal.SpatialReference.fromEPSG(3857)
+				};
+
+				assert.throws(function() {
+					gdal.suggestedWarpOutput(options);
+				}, 'Mercator_1SP with scale != 1.0 and latitude of origin != 0, not supported by PROJ.4.');
+			});
+		} else {
+			it.skip('should throw error if GDAL can\'t create transformer', function() {});
+		}
 	});
 });