Test Longer Tests in Travis (#2570)

* Test Longer Tests in Travis
Signed-off-by: Goutham Veeramachaneni <cs14btech11014@iith.ac.in>

* Make test Target Run All Tests

* Add test-short to run short tests

test is running all the tests now as we are running make tests in
CircleCI and I think the base image is shared across Prometheus Org.
Signed-off-by: Goutham Veeramachaneni <cs14btech11014@iith.ac.in>

* Remove Empty Line
Signed-off-by: Goutham Veeramachaneni <cs14btech11014@iith.ac.in>

Makefile

@@ -36,10 +36,14 @@ check_license:
 	@echo ">> checking license header"
 	@./scripts/check_license.sh
 
-test:
+test-short:
 	@echo ">> running short tests"
 	@$(GO) test -short $(pkgs)
 
+test:
+	@echo ">> running all tests"
+	@$(GO) test $(pkgs)
+
 format:
 	@echo ">> formatting code"
 	@$(GO) fmt $(pkgs)

README.md

@@ -81,6 +81,7 @@ The Makefile provides several targets:
 
   * *build*: build the `prometheus` and `promtool` binaries
   * *test*: run the tests
+  * *test-short*: run the short tests
   * *format*: format the source code
   * *vet*: check the source code for common errors
   * *assets*: rebuild the static assets