Upgrade testify. Bump go version. Remove bad build step

.travis.yml

@@ -8,8 +8,8 @@ language: go
 # in the next version of Go. Don't worry! Later we declare that test runs
 # are allowed to fail on Go tip.
 go:
-  - 1.10.x
   - 1.11.x
+  - 1.12.x
   - master
 
 matrix:
@@ -28,6 +28,5 @@ env:
   - GO111MODULE="on"
 
 script:
-  - go build -v
   - go test -v -race ./...                   # Run all the tests with the race detector enabled
   - go vet ./...                             # go vet is the official Go static analyzer

go.mod

@@ -2,5 +2,5 @@ module github.com/atlassian/go-artifactory/v2
 
 require (
 	github.com/google/go-querystring v1.0.0
-	github.com/stretchr/testify v1.2.2
+	github.com/stretchr/testify v1.3.0
 )

go.sum

@@ -1,10 +1,9 @@
-github.com/atlassian/go-artifactory v1.2.0 h1:oTZ/Pd8Zh7KXarN2buwb4F9a94dlYG0RJXiNX3ir22Y=
-github.com/atlassian/go-artifactory v1.2.0/go.mod h1:FjAu/rogV0ykmtk8TKPjFA5NuBl0b8LoWoXJONV7z4Q=
 github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/google/go-querystring v1.0.0 h1:Xkwi/a1rcvNg1PPYe5vI8GbeBY/jrVuDX5ASuANWTrk=
 github.com/google/go-querystring v1.0.0/go.mod h1:odCYkC5MyYFN7vkCjXpyrEuKhc/BUO6wN/zVPAxq5ck=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
-github.com/stretchr/testify v1.2.2 h1:bSDNvY7ZPG5RlJ8otE/7V6gMiyenm9RtJ7IUVIAoJ1w=
-github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/testify v1.3.0 h1:TivCn/peBQ7UY8ooIcPgZFpTNSz0Q2U6UrFlUfqbe0Q=
+github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=