Move all data files to a new folder. Fix failing tests

Author: yifanz7

src/Storage/RegressionTests/README.md

@@ -0,0 +1,20 @@
+#Before running the tests:
+1. Create a directory called "data" under directory "RegressionTests" and create files with following names and sizes:
+	| File Name          | Size    |
+	|--------------------|---------|
+	| testfile_1K_0      | 1KB     |
+	| testfile_10M       | 10M     |
+	| testfile_300M      | 300M    |
+	| testfile_2048K     | 2048K   |
+	| testfile_10240K_0  | 10240K  |
+	| testfile_300000K_0 | 300000K |
+
+2. Create a directoy called "created" under directory "RegressionTests"
+3. Fill in the placeholders in config_template.xml and change its name to config.xml 
+
+#To run the tests line by line:
+
+1. If using local builds of the modules, import Az.Accounts and Az.Storage with the following commands:
+	Import-Module {path to azure-powershell}\azure-powershell\artifacts\Debug\Az.Accounts\Az.Accounts.psd1 
+	Import-Module {path to azure-powershell}\azure-powershell\artifacts\Debug\Az.Storage\Az.Storage.psd1 
+2. cd to {path to auzre-powershell repo}\azure-powershell\src\Storage\RegressionTests