Fix buffer tests.
Fix buffer tests.

The names of the tests were not properly capitalized, and the huge
buffer test could fail unexpectedly when it was run after several
prior tests which allocated large amounts of memory.

Change-Id: Ied5d1b6f56354e748f0df9d52658d14de9a559ac
Reviewed-on: https://chromium-review.googlesource.com/209611
Tested-by: Jamie Madill <7e492b4f1c8458024932de3ba475cbf015424c30@chromium.org>
Reviewed-by: Geoff Lang <b6fc25fe0362055230985c05cbfa8adb741ccc0f@chromium.org>

ghostoy/angle,mybios/angle,android-ia/platform_external_chromium_org_third_party_angle,mikolalysenko/angle,xin3liang/platform_external_chromium_org_third_party_angle,mrobinson/rust-angle,larsbergstrom/angle,ecoal95/angle,ecoal95/angle,nandhanurrevanth/angle,mlfarrell/angle,bsergean/angle,csa7mdm/angle,MIPS/external-chromium_org-third_party-angle,nandhanurrevanth/angle,bsergean/angle,mybios/angle,mrobinson/rust-angle,bsergean/angle,ppy/angle,mikolalysenko/angle,larsbergstrom/angle,mikolalysenko/angle,MIPS/external-chromium_org-third_party-angle,larsbergstrom/angle,geekboxzone/lollipop_external_chromium_org_third_party_angle,vvuk/angle,ghostoy/angle,android-ia/platform_external_chromium_org_third_party_angle,nandhanurrevanth/angle,android-ia/platform_external_chromium_org_third_party_angle,MIPS/external-chromium_org-third_party-angle,domokit/waterfall,crezefire/angle,ecoal95/angle,csa7mdm/angle,MSOpenTech/angle,vvuk/angle,mrobinson/rust-angle,mybios/angle,ghostoy/angle,MSOpenTech/angle,vvuk/angle,crezefire/angle,MSOpenTech/angle,csa7mdm/angle,geekboxzone/lollipop_external_chromium_org_third_party_angle,crezefire/angle,csa7mdm/angle,xin3liang/platform_external_chromium_org_third_party_angle,vvuk/angle,mikolalysenko/angle,ecoal95/angle,xin3liang/platform_external_chromium_org_third_party_angle,mybios/angle,mlfarrell/angle,MSOpenTech/angle,mrobinson/rust-angle,mlfarrell/angle,crezefire/angle,MIPS/external-chromium_org-third_party-angle,ghostoy/angle,domokit/waterfall,mrobinson/rust-angle,geekboxzone/lollipop_external_chromium_org_third_party_angle,ppy/angle,jgcaaprom/android_external_chromium_org_third_party_angle,mlfarrell/angle,xin3liang/platform_external_chromium_org_third_party_angle,jgcaaprom/android_external_chromium_org_third_party_angle,geekboxzone/lollipop_external_chromium_org_third_party_angle,ecoal95/angle,android-ia/platform_external_chromium_org_third_party_angle,ppy/angle,ppy/angle,bsergean/angle,larsbergstrom/angle,jgcaaprom/android_external_chromium_org_third_party_angle,nandhanurrevanth/angle,jgcaaprom/android_external_chromium_org_third_party_angle