Revert https-agent-proxy update.

package.json

@@ -413,7 +413,7 @@
     "exit-hook": "^2.2.0",
     "faker": "1.1.0",
     "fetch-mock": "^7.3.9",
-    "geckodriver": "^1.19.1",
+    "geckodriver": "^1.19.0",
     "getopts": "^2.2.4",
     "grunt": "1.0.4",
     "grunt-available-tasks": "^0.6.3",

yarn.lock

@@ -4892,6 +4892,13 @@ agent-base@4:
   dependencies:
     es6-promisify "^5.0.0"
 
+agent-base@^4.1.0:
+  version "4.2.1"
+  resolved "https://registry.yarnpkg.com/agent-base/-/agent-base-4.2.1.tgz#d89e5999f797875674c07d87f260fc41e83e8ca9"
+  integrity sha512-JVwXMr9nHYTUXsBFKUqhJwvlcYU/blreOEUkhNR2eXZIvwd+c+o5V4MgDPKWnMS/56awN3TRzIP+KoPn+roQtg==
+  dependencies:
+    es6-promisify "^5.0.0"
+
 agent-base@^4.3.0:
   version "4.3.0"
   resolved "https://registry.yarnpkg.com/agent-base/-/agent-base-4.3.0.tgz#8165f01c436009bccad0b1d122f05ed770efc6ee"
@@ -13349,15 +13356,15 @@ gaze@^1.0.0, gaze@^1.1.0:
   dependencies:
     globule "^1.0.0"
 
-geckodriver@^1.19.1:
-  version "1.19.1"
-  resolved "https://registry.yarnpkg.com/geckodriver/-/geckodriver-1.19.1.tgz#556f95fd6451b553cec89f81f81abbefce10d6e5"
-  integrity sha512-xWL/+eEhQ6+t98rc1c+xVM3hshDJibXtZf9WJA3sshxq4k5L1PBwfmswyBmmlKUfBr4xuC256gLVC2RxFhiCsQ==
+geckodriver@^1.19.0:
+  version "1.19.0"
+  resolved "https://registry.yarnpkg.com/geckodriver/-/geckodriver-1.19.0.tgz#b2b07e343c2e409ce645e65fe88132bd34fa400a"
+  integrity sha512-Zq98rXKjvB+NCfzKlJGkQkFAO8zvmUSNqYEIxUwlF1qxmv4taRwwBbEfDa6Dj7Auf7C0p+ZZZmIA8KmlL1cfsw==
   dependencies:
     adm-zip "0.4.11"
     bluebird "3.4.6"
     got "5.6.0"
-    https-proxy-agent "3.0.0"
+    https-proxy-agent "2.2.1"
     tar "4.4.2"
 
 generate-function@^2.0.0:
@@ -15241,18 +15248,18 @@ https-browserify@^1.0.0:
   resolved "https://registry.yarnpkg.com/https-browserify/-/https-browserify-1.0.0.tgz#ec06c10e0a34c0f2faf199f7fd7fc78fffd03c73"
   integrity sha1-7AbBDgo0wPL68Zn3/X/Hj//QPHM=
 
-https-proxy-agent@3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/https-proxy-agent/-/https-proxy-agent-3.0.0.tgz#0106efa5d63d6d6f3ab87c999fa4877a3fd1ff97"
-  integrity sha512-y4jAxNEihqvBI5F3SaO2rtsjIOnnNA8sEbuiP+UhJZJHeM2NRm6c09ax2tgqme+SgUUvjao2fJXF4h3D6Cb2HQ==
+https-proxy-agent@2.2.1, https-proxy-agent@^2.2.1:
+  version "2.2.1"
+  resolved "https://registry.yarnpkg.com/https-proxy-agent/-/https-proxy-agent-2.2.1.tgz#51552970fa04d723e04c56d04178c3f92592bbc0"
+  integrity sha512-HPCTS1LW51bcyMYbxUIOO4HEOlQ1/1qRaFWcyxvwaqUS9TY88aoEuHUY33kuAh1YhVVaDQhLZsnPd+XNARWZlQ==
   dependencies:
-    agent-base "^4.3.0"
+    agent-base "^4.1.0"
     debug "^3.1.0"
 
-https-proxy-agent@^2.2.1, https-proxy-agent@^2.2.2:
-  version "2.2.4"
-  resolved "https://registry.yarnpkg.com/https-proxy-agent/-/https-proxy-agent-2.2.4.tgz#4ee7a737abd92678a293d9b34a1af4d0d08c787b"
-  integrity sha512-OmvfoQ53WLjtA9HeYP9RNrWMJzzAz1JGaSFr1nijg0PVR1JaD/xbJq1mdEIIlxGpXp9eSe/O2LgU9DJmTPd0Eg==
+https-proxy-agent@^2.2.2:
+  version "2.2.2"
+  resolved "https://registry.yarnpkg.com/https-proxy-agent/-/https-proxy-agent-2.2.2.tgz#271ea8e90f836ac9f119daccd39c19ff7dfb0793"
+  integrity sha512-c8Ndjc9Bkpfx/vCJueCPy0jlP4ccCCSNDp8xwCZzPjKJUm+B+u9WX2x98Qx4n1PiMNTWo3D7KK5ifNV/yJyRzg==
   dependencies:
     agent-base "^4.3.0"
     debug "^3.1.0"