dep: Update harness tests relying on unification

All of these results were quite incidental, a product of using test
repositories with dense placement of tags/branches on the same revisions
in a way that is highly unrealistic.

cmd/dep/testdata/harness_tests/ensure/add/desync/final/Gopkg.lock

@@ -4,8 +4,8 @@
 [[projects]]
   name = "github.com/sdboyer/deptest"
   packages = ["."]
-  revision = "ff2948a2ac8f538c4ecd55962e919d1e13e74baf"
-  version = "v1.0.0"
+  revision = "3f4c3bea144e112a69bbe5d8d01c1b09a544253f"
+  version = "v0.8.1"
 
 [[projects]]
   name = "github.com/sdboyer/deptestdos"

cmd/dep/testdata/harness_tests/ensure/empty/case2/final/Gopkg.lock

@@ -4,8 +4,8 @@
 [[projects]]
   name = "github.com/sdboyer/deptest"
   packages = ["."]
-  revision = "ff2948a2ac8f538c4ecd55962e919d1e13e74baf"
-  version = "v1.0.0"
+  revision = "3f4c3bea144e112a69bbe5d8d01c1b09a544253f"
+  version = "v0.8.1"
 
 [solve-meta]
   analyzer-name = "dep"

cmd/dep/testdata/harness_tests/ensure/pkg-ignored/wildcard-ignore/final/Gopkg.lock

@@ -2,10 +2,10 @@
 
 
 [[projects]]
+  branch = "master"
   name = "github.com/sdboyer/deptest"
   packages = ["."]
   revision = "3f4c3bea144e112a69bbe5d8d01c1b09a544253f"
-  version = "v0.8.1"
 
 [solve-meta]
   analyzer-name = "dep"

cmd/dep/testdata/harness_tests/ensure/update/case1/final/Gopkg.lock

@@ -4,8 +4,8 @@
 [[projects]]
   name = "github.com/sdboyer/deptest"
   packages = ["."]
-  revision = "ff2948a2ac8f538c4ecd55962e919d1e13e74baf"
-  version = "v1.0.0"
+  revision = "3f4c3bea144e112a69bbe5d8d01c1b09a544253f"
+  version = "v0.8.1"
 
 [[projects]]
   name = "github.com/sdboyer/deptestdos"

cmd/dep/testdata/harness_tests/ensure/update/desync/final/Gopkg.lock

@@ -4,8 +4,8 @@
 [[projects]]
   name = "github.com/sdboyer/deptest"
   packages = ["."]
-  revision = "ff2948a2ac8f538c4ecd55962e919d1e13e74baf"
-  version = "v1.0.0"
+  revision = "3f4c3bea144e112a69bbe5d8d01c1b09a544253f"
+  version = "v0.8.1"
 
 [[projects]]
   name = "github.com/sdboyer/deptestdos"

cmd/dep/testdata/harness_tests/init/gvt/case1/initial/vendor/manifest

@@ -10,7 +10,7 @@
     {
       "importpath": "github.com/sdboyer/deptestdos",
       "repository": "https://github.com/sdboyer/deptestdos",
-      "revision": "5c607206be5decd28e6263ffffdcee067266015eXXX",
+      "revision": "5c607206be5decd28e6263ffffdcee067266015e",
       "branch": "master"
     },
     {